{"title":"Mercedes-AMG Forged Internals \u0026 Pistons","description":"\u003cp\u003eForged internals and pistons for Mercedes-AMG engines — M177, M178, M157, M156, and M133. Purpose-built for high-horsepower builds from 500HP to 1,500HP+.\u003c\/p\u003e","products":[{"product_id":"mercedes-benz-amg-156-forged-internals","title":"Mercedes-AMG M156 Forged Internals — 1,500HP+ Rated | Rods \u0026 Pistons | YPG Motorsport","description":"\u003ch2\u003eMercedes-AMG M156 Forged Internals — Rods \u0026amp; Pistons Kit\u003c\/h2\u003e\n\n\u003cp\u003eThe Mercedes-AMG M156 6.2L naturally aspirated V8 is one of the strongest factory AMG engines ever built — the stock bottom end handles 750–800HP before internals become the limiting factor. However, when building beyond that for supercharger or turbo conversions, forged rods and pistons are non-negotiable. Our M156 forged internals kit replaces the stock cast components with race-grade 4340 steel rods and forged pistons rated for 1,500HP and beyond.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e8x Forged Connecting Rods\u003c\/strong\u003e — 4340 aircraft-grade steel, H-beam design\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e8x Forged Pistons\u003c\/strong\u003e — CP or equivalent, matched to M156 102.2mm bore\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eARP Head Studs\u003c\/strong\u003e — mandatory for boost and forced induction builds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eARP Rod Bolts\u003c\/strong\u003e — 220,000 PSI rated\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePiston Rings\u003c\/strong\u003e — Low-tension performance ring pack\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWrist Pins \u0026amp; Clips\u003c\/strong\u003e — High-strength tool steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBalanced and Matched Set\u003c\/strong\u003e — within ±1.5g\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCeramic-Coated Piston Tops\u003c\/strong\u003e — Thermal barrier coating reduces heat transfer to the piston crown, protecting against detonation under forced induction\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTeflon-Coated Skirts\u003c\/strong\u003e — Anti-friction coating reduces piston-to-wall contact friction, improving reliability and reducing wear under sustained high-RPM operation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFactory Compression Ratio\u003c\/strong\u003e — Maintains stock compression geometry for seamless integration with supercharger and turbo calibrations\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1,500HP+ Rated\u003c\/strong\u003e — Engineered to withstand extreme cylinder pressures from supercharger and turbo conversions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrop-In Fitment\u003c\/strong\u003e — Direct replacement for factory connecting rods and pistons, no block modifications required\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp style=\"background: #111; border-left: 3px solid #cc0000; padding: 14px 18px; font-size: 14px; line-height: 1.7; margin-top: 20px;\"\u003e\n\u003cstrong style=\"color: #fff;\"\u003eOnly need pistons?\u003c\/strong\u003e\u003cbr\u003e\n\u003cspan style=\"color: #aaa;\"\u003eFor M156 naturally aspirated high-RPM race builds where factory rods are still serviceable, or as a preventative piston upgrade before adding forced induction, we offer standalone forged piston sets at $2,999. Ceramic-coated crowns, Teflon-coated skirts, 1,500HP+ rated.\u003c\/span\u003e\u003cbr\u003e\n\u003ca href=\"\/products\/mercedes-amg-m156-forged-pistons\" style=\"color: #cc0000; font-weight: 600;\"\u003eM156 Forged Pistons →\u003c\/a\u003e\n\u003c\/p\u003e\n\n\u003ch3\u003eCompatible Vehicles\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMercedes-AMG C63 (W204) — 2008–2015 — all variants including 507 Edition\u003c\/li\u003e\n\u003cli\u003eMercedes-AMG E63 (W211) — 2006–2009 and E63 (W212) — 2009–2011\u003c\/li\u003e\n\u003cli\u003eMercedes-AMG CLS63 (W219) — 2006–2011\u003c\/li\u003e\n\u003cli\u003eMercedes-AMG SL63 (R230) — 2008–2011\u003c\/li\u003e\n\u003cli\u003eMercedes-AMG ML63 (W164) — 2007–2011\u003c\/li\u003e\n\u003cli\u003eMercedes-AMG GL63 (X164) — 2007–2012\u003c\/li\u003e\n\u003cli\u003eMercedes-AMG CLK63 (C209) — 2006–2009 and CLK63 Black Series\u003c\/li\u003e\n\u003cli\u003eMercedes-AMG SLS (C197) — 2010–2014\u003c\/li\u003e\n\u003cli\u003eEngine: M156 6.2L Naturally Aspirated V8 (E63 KE)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy Upgrade M156 Internals?\u003c\/h3\u003e\n\u003cp\u003eThe stock M156 bottom end uses cast hypereutectic pistons (forged on 2010+ P31\/507 package cars) and strong connecting rods. While excellent for street use, sustained high-boost operation on supercharger or turbo builds generates heat cycles that fatigue cast components over time. Forged internals absorb shock loads, handle extreme cylinder pressures, and run cooler under sustained wide-open throttle. For any M156 build targeting 800HP+, forged internals are the foundation everything else is built on.\u003c\/p\u003e\n\n\u003ch3\u003eWhy YPG Motorsport?\u003c\/h3\u003e\n\u003cp\u003eYPG Motorsport holds the \u003cstrong\u003eworld record for the first sub-10-second Mercedes-AMG C63 W205 quarter mile\u003c\/strong\u003e (9.97s at 828 WHP). Our forged internals kits across the entire AMG range are sourced from CP-Carrillo or equivalent tier-1 forging houses, inspected and matched before shipping.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eShips worldwide via FedEx International Priority from Kuwait.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"background: #111; border-left: 3px solid #cc0000; padding: 14px 18px; font-size: 14px; line-height: 1.7;\"\u003e\n\u003cstrong style=\"color: #fff;\"\u003eOrdering from the GCC?\u003c\/strong\u003e\u003cbr\u003e\n\u003cspan style=\"color: #aaa;\"\u003eShips FedEx International Priority from Kuwait. Dubai and Abu Dhabi in 48–72 hours. Doha, Riyadh, Jeddah in 48–72 hours.\u003c\/span\u003e\u003cbr\u003e\n\u003ca href=\"\/pages\/ecu-tuning-uae\" style=\"color: #cc0000; font-weight: 600;\"\u003eUAE customers →\u003c\/a\u003e  |  \u003ca href=\"\/pages\/ecu-tuning-qatar\" style=\"color: #cc0000; font-weight: 600;\"\u003eQatar customers →\u003c\/a\u003e  |  \u003ca href=\"\/pages\/ecu-tuning-saudi-arabia\" style=\"color: #cc0000; font-weight: 600;\"\u003eSaudi Arabia customers →\u003c\/a\u003e\n\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Shop\",\"item\":\"https:\/\/ypgmotorsport.com\/collections\/all\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Mercedes-AMG M156 Forged Internals\",\"item\":\"https:\/\/ypgmotorsport.com\/products\/mercedes-benz-amg-156-forged-internals\"}]}\u003c\/script\u003e\n\u003cdiv class=\"product-faq\" style=\"margin-top:24px;border-top:1px solid #e0e0e0;padding-top:20px;\"\u003e\n\u003ch3 style=\"font-size:18px;font-weight:bold;margin-bottom:16px;\"\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cdetails style=\"margin-bottom:12px;\"\u003e\u003csummary style=\"font-weight:600;cursor:pointer;padding:8px 0;\"\u003eHow much do M156 forged internals cost?\u003c\/summary\u003e\u003cp style=\"padding:8px 0 8px 16px;color:#555;\"\u003eYPG Motorsport M156 forged connecting rods and pistons are $5,999 with free worldwide shipping.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails style=\"margin-bottom:12px;\"\u003e\u003csummary style=\"font-weight:600;cursor:pointer;padding:8px 0;\"\u003eWhat HP can the M156 handle with forged internals?\u003c\/summary\u003e\u003cp style=\"padding:8px 0 8px 16px;color:#555;\"\u003eYPG M156 forged internals are rated for 1,500HP+ under forced induction, designed for supercharger and turbo conversion builds.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails style=\"margin-bottom:12px;\"\u003e\u003csummary style=\"font-weight:600;cursor:pointer;padding:8px 0;\"\u003eWhat vehicles use the M156 engine?\u003c\/summary\u003e\u003cp style=\"padding:8px 0 8px 16px;color:#555;\"\u003eThe Mercedes-AMG M156 6.2L V8 is found in the C63 W204, E63 W211\/W212, SLS AMG, CLK63 Black Series, SL63 R230, ML63, GL63, and CLS63.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails style=\"margin-bottom:12px;\"\u003e\u003csummary style=\"font-weight:600;cursor:pointer;padding:8px 0;\"\u003eAre these drop-in replacements?\u003c\/summary\u003e\u003cp style=\"padding:8px 0 8px 16px;color:#555;\"\u003eYes. Direct drop-in replacement for factory connecting rods and pistons. Designed for builds that exceed factory power levels.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails style=\"margin-bottom:12px;\"\u003e\u003csummary style=\"font-weight:600;cursor:pointer;padding:8px 0;\"\u003eDo you ship forged internals worldwide?\u003c\/summary\u003e\u003cp style=\"padding:8px 0 8px 16px;color:#555;\"\u003eYes. Free worldwide shipping via FedEx International Priority on all YPG Motorsport forged internals. GCC delivery in 48–72 hours.\u003c\/p\u003e\u003c\/details\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"How much do M156 forged internals cost?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"YPG Motorsport M156 forged connecting rods and pistons are $5,999 with free worldwide shipping.\"}},{\"@type\":\"Question\",\"name\":\"What HP can the M156 handle with forged internals?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"YPG M156 forged internals are rated for 1,500HP+ under forced induction, designed for supercharger and turbo conversion builds.\"}},{\"@type\":\"Question\",\"name\":\"What vehicles use the M156 engine?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The Mercedes-AMG M156 6.2L V8 is found in the C63 W204, E63 W211\/W212, SLS AMG, CLK63 Black Series, SL63 R230, ML63, GL63, and CLS63.\"}},{\"@type\":\"Question\",\"name\":\"Are these drop-in replacements?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes. Direct drop-in replacement for factory connecting rods and pistons. Designed for builds that exceed factory power levels.\"}},{\"@type\":\"Question\",\"name\":\"Do you ship forged internals worldwide?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes. Free worldwide shipping via FedEx International Priority on all YPG Motorsport forged internals. GCC delivery in 48–72 hours.\"}}]}\u003c\/script\u003e","brand":"YPG Motorsport","offers":[{"title":"Default Title","offer_id":16776080621632,"sku":"YPG-M156-FORGED-INT","price":5999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0084\/7288\/7360\/products\/07-12-18-5649.png?v=1774317150"},{"product_id":"mercedes-benz-amg-m133-forged-internals","title":"Mercedes-AMG M133 Forged Internals — 500HP+ Rated | Rods \u0026 Pistons | YPG Motorsport","description":"\u003ch2\u003eMercedes-AMG M133 Forged Internals — Rods \u0026amp; Pistons Kit\u003c\/h2\u003e\n\n\u003cp\u003eForged rods and pistons for the Mercedes-AMG M133 2.0L turbo engine — the critical foundation for any M133 build pushing beyond the factory's internal limits. The stock M133 uses cast hypereutectic pistons and powder-forged connecting rods. While adequate at factory boost levels, these components become the hard ceiling at elevated boost — cracking under sustained high-RPM, high-boost operation. Our forged internals kit replaces both with race-grade components rated for 500HP+ on the 2.0L platform.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e4x Forged Connecting Rods\u003c\/strong\u003e — 4340 aircraft-grade steel, H-beam design, shot-peened surfaces\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4x Forged Pistons\u003c\/strong\u003e — CP or equivalent specification, matched to M133 bore\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eARP Rod Bolts\u003c\/strong\u003e — 220,000 PSI rated\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePiston Rings\u003c\/strong\u003e — Low-tension performance ring pack\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWrist Pins \u0026amp; Clips\u003c\/strong\u003e — High-strength tool steel pins\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBalanced and Matched Set\u003c\/strong\u003e — within ±1.5g\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCeramic-Coated Piston Tops\u003c\/strong\u003e — Thermal barrier coating reduces heat transfer to the piston crown, protecting against detonation at high boost levels\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTeflon-Coated Skirts\u003c\/strong\u003e — Anti-friction coating reduces piston-to-wall contact friction, improving reliability under sustained high-RPM operation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFactory Compression Ratio\u003c\/strong\u003e — Maintains stock compression geometry for seamless integration with OEM or aftermarket ECU calibrations\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e500HP+ Rated\u003c\/strong\u003e — Engineered to withstand cylinder pressures from Stage 3+ turbo upgrades and aggressive ignition timing on the 2.0L platform\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCNC-Machined\u003c\/strong\u003e — Precision tolerances from billet forgings for exact fitment\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCompatible Vehicles\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMercedes-AMG A45 (W176) — 2013–2018\u003c\/li\u003e\n\u003cli\u003eMercedes-AMG CLA45 (C117) — 2013–2019\u003c\/li\u003e\n\u003cli\u003eMercedes-AMG GLA45 (X156) — 2014–2019\u003c\/li\u003e\n\u003cli\u003eEngine: M133 2.0L Turbo Inline-4 (DE20 AL)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy YPG Motorsport?\u003c\/h3\u003e\n\u003cp\u003eYPG Motorsport holds the \u003cstrong\u003eworld record for the first sub-10-second Mercedes-AMG C63 W205 quarter mile\u003c\/strong\u003e (9.97s at 828 WHP). Our forged internals kits across the entire AMG range are sourced from CP-Carrillo or equivalent tier-1 forging houses, inspected and matched before shipping. Every kit benefits from the same engineering standards that built the world's quickest C63.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eShips worldwide via FedEx International Priority from Kuwait.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"background: #111; border-left: 3px solid #cc0000; padding: 14px 18px; font-size: 14px; line-height: 1.7;\"\u003e\n\u003cstrong style=\"color: #fff;\"\u003eOrdering from the GCC?\u003c\/strong\u003e\u003cbr\u003e\n\u003cspan style=\"color: #aaa;\"\u003eShips FedEx International Priority from Kuwait. Dubai and Abu Dhabi in 48–72 hours. Doha, Riyadh, Jeddah in 48–72 hours.\u003c\/span\u003e\u003cbr\u003e\n\u003ca href=\"\/pages\/ecu-tuning-uae\" style=\"color: #cc0000; font-weight: 600;\"\u003eUAE customers →\u003c\/a\u003e  |  \u003ca href=\"\/pages\/ecu-tuning-qatar\" style=\"color: #cc0000; font-weight: 600;\"\u003eQatar customers →\u003c\/a\u003e  |  \u003ca href=\"\/pages\/ecu-tuning-saudi-arabia\" style=\"color: #cc0000; font-weight: 600;\"\u003eSaudi Arabia customers →\u003c\/a\u003e\n\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Shop\",\"item\":\"https:\/\/ypgmotorsport.com\/collections\/all\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Mercedes-AMG M133 Forged Internals\",\"item\":\"https:\/\/ypgmotorsport.com\/products\/mercedes-benz-amg-m133-forged-internals\"}]}\u003c\/script\u003e\n\u003cdiv class=\"product-faq\" style=\"margin-top:24px;border-top:1px solid #e0e0e0;padding-top:20px;\"\u003e\n\u003ch3 style=\"font-size:18px;font-weight:bold;margin-bottom:16px;\"\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cdetails style=\"margin-bottom:12px;\"\u003e\u003csummary style=\"font-weight:600;cursor:pointer;padding:8px 0;\"\u003eHow much do M133 forged internals cost?\u003c\/summary\u003e\u003cp style=\"padding:8px 0 8px 16px;color:#555;\"\u003eYPG Motorsport M133 forged connecting rods and pistons are $4,999 with free worldwide shipping.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails style=\"margin-bottom:12px;\"\u003e\u003csummary style=\"font-weight:600;cursor:pointer;padding:8px 0;\"\u003eWhat HP can the M133 handle with forged internals?\u003c\/summary\u003e\u003cp style=\"padding:8px 0 8px 16px;color:#555;\"\u003eYPG M133 forged internals are rated for 500HP+ builds on the 2.0L turbo platform, supporting Stage 3+ turbo upgrades on pump fuel, E30, or E85.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails style=\"margin-bottom:12px;\"\u003e\u003csummary style=\"font-weight:600;cursor:pointer;padding:8px 0;\"\u003eWhat vehicles use the M133 engine?\u003c\/summary\u003e\u003cp style=\"padding:8px 0 8px 16px;color:#555;\"\u003eThe Mercedes-AMG M133 2.0L turbo is found in the A45 AMG (W176), CLA45 AMG (C117), and GLA45 AMG (X156).\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails style=\"margin-bottom:12px;\"\u003e\u003csummary style=\"font-weight:600;cursor:pointer;padding:8px 0;\"\u003eDo you ship forged internals worldwide?\u003c\/summary\u003e\u003cp style=\"padding:8px 0 8px 16px;color:#555;\"\u003eYes. Free worldwide shipping via FedEx International Priority on all YPG Motorsport forged internals. GCC delivery in 48–72 hours.\u003c\/p\u003e\u003c\/details\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"How much do M133 forged internals cost?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"YPG Motorsport M133 forged connecting rods and pistons are $4,999 with free worldwide shipping.\"}},{\"@type\":\"Question\",\"name\":\"What HP can the M133 handle with forged internals?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"YPG M133 forged internals are rated for 500HP+ builds on the 2.0L turbo platform, supporting Stage 3+ turbo upgrades on pump fuel, E30, or E85.\"}},{\"@type\":\"Question\",\"name\":\"What vehicles use the M133 engine?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The Mercedes-AMG M133 2.0L turbo is found in the A45 AMG (W176), CLA45 AMG (C117), and GLA45 AMG (X156).\"}},{\"@type\":\"Question\",\"name\":\"Do you ship forged internals worldwide?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes. Free worldwide shipping via FedEx International Priority on all YPG Motorsport forged internals. GCC delivery in 48–72 hours.\"}}]}\u003c\/script\u003e","brand":"YPG Motorsport","offers":[{"title":"Default Title","offer_id":16776082030656,"sku":"YPG-M133-FORGED-INT","price":4999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0084\/7288\/7360\/products\/07-12-18-5649_b89f2763-ab0b-41a8-b501-523a63b3a756.png?v=1544221664"},{"product_id":"mercedes-benz-amg-m157-forged-internals","title":"Mercedes-AMG M157 Forged Internals — 1,500HP+ Rated | Rods \u0026 Pistons | YPG Motorsport","description":"\u003ch2\u003eMercedes-AMG M157 Forged Internals — Rods \u0026amp; Pistons Kit\u003c\/h2\u003e\n\n\u003cp\u003eThe Mercedes-AMG M157 5.5L twin-turbo V8 is the engine found in the second-generation AMG 63 family — E63, S63, G63, CLS63, GLE63 and more. From the factory it uses a forged steel crankshaft but cast hypereutectic pistons, which become the failure point on high-output builds. The M157 is also known for cylinder scoring at higher power levels — a problem our forged internals kit addresses directly when combined with Darton sleeve inserts. Our M157 forged internals kit replaces the weak points with race-grade 4340 steel components capable of 1,500HP.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e8x Forged Connecting Rods\u003c\/strong\u003e — 4340 aircraft-grade steel, H-beam design\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e8x Forged Pistons\u003c\/strong\u003e — 98mm bore, replaces stock cast hypereutectic units\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eARP Main Bolts \u0026amp; Rod Bolts\u003c\/strong\u003e — 220,000 PSI rated\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePiston Rings\u003c\/strong\u003e — Low-tension performance ring pack\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWrist Pins \u0026amp; Clips\u003c\/strong\u003e — High-strength tool steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBalanced and Matched Set\u003c\/strong\u003e — within ±1.5g\u003c\/li\u003e\n\u003cli\u003eCompatible with Darton Mid-Sleeve builds for ultimate reliability\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCeramic-Coated Piston Tops\u003c\/strong\u003e — Thermal barrier coating reduces heat transfer to the piston crown, protecting against detonation at high boost levels\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTeflon-Coated Skirts\u003c\/strong\u003e — Anti-friction coating reduces piston-to-wall contact friction, improving reliability and reducing wear under sustained high-RPM operation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFactory Compression Ratio\u003c\/strong\u003e — Maintains stock compression geometry for seamless integration with OEM or aftermarket ECU calibrations\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1,500HP+ Rated\u003c\/strong\u003e — Engineered to withstand extreme cylinder pressures from upgraded turbos and aggressive ignition timing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDarton Sleeve Compatible\u003c\/strong\u003e — Designed to pair with Darton Mid-Sleeve inserts for the ultimate M157 reliability solution\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp style=\"background: #111; border-left: 3px solid #cc0000; padding: 14px 18px; font-size: 14px; line-height: 1.7; margin-top: 20px;\"\u003e\n\u003cstrong style=\"color: #fff;\"\u003eOnly need pistons?\u003c\/strong\u003e\u003cbr\u003e\n\u003cspan style=\"color: #aaa;\"\u003eIf your factory M157 rods are still serviceable, we offer standalone forged piston sets at $2,499 — same 1,500HP+ spec with ceramic-coated crowns and Teflon-coated skirts. Note: for high-boost M157 builds we still recommend Darton Mid-Sleeves regardless of piston choice.\u003c\/span\u003e\u003cbr\u003e\n\u003ca href=\"\/products\/mercedes-amg-m157-forged-pistons\" style=\"color: #cc0000; font-weight: 600;\"\u003eM157 Forged Pistons →\u003c\/a\u003e\n\u003c\/p\u003e\n\n\u003ch3\u003eCompatible Vehicles\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMercedes-AMG E63 (W212) — 2011–2016 and E63 S (W212) — 2013–2016\u003c\/li\u003e\n\u003cli\u003eMercedes-AMG S63 (W222) — 2013–2017 and S63 (W221) — 2011–2013\u003c\/li\u003e\n\u003cli\u003eMercedes-AMG CLS63 (W218) — 2011–2014 and CLS63 S (W218) — 2013–2014\u003c\/li\u003e\n\u003cli\u003eMercedes-AMG G63 (W463) — 2012–2015\u003c\/li\u003e\n\u003cli\u003eMercedes-AMG ML63 (W166) — 2011–2015\u003c\/li\u003e\n\u003cli\u003eMercedes-AMG GL63 (X166) — 2012–2015\u003c\/li\u003e\n\u003cli\u003eMercedes-AMG GLE63 (C292) — 2015–2019\u003c\/li\u003e\n\u003cli\u003eMercedes-AMG SL63 (R231) — 2012–2016\u003c\/li\u003e\n\u003cli\u003eEngine: M157 5.5L Twin-Turbo V8 (DE55 AL)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eThe Cylinder Scoring Problem\u003c\/h3\u003e\n\u003cp\u003eThe M157 has a known issue with cylinder scoring under high-boost, high-heat operation. The aluminium block wears unevenly, causing irreversible damage. Our forged internals kit paired with Darton Mid-Sleeves eliminates this permanently — the combination that every serious M157 builder runs. Contact YPG Motorsport to discuss the complete sleeve and forged build package.\u003c\/p\u003e\n\n\u003ch3\u003eWhy YPG Motorsport?\u003c\/h3\u003e\n\u003cp\u003eYPG Motorsport holds the \u003cstrong\u003eworld record for the first sub-10-second Mercedes-AMG C63 W205 quarter mile\u003c\/strong\u003e (9.97s at 828 WHP). Our forged internals kits across the entire AMG range — M133, M156, M157, M177, M178 — are sourced from CP-Carrillo or equivalent tier-1 forging houses, inspected and matched before shipping.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eShips worldwide via FedEx International Priority from Kuwait.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"background: #111; border-left: 3px solid #cc0000; padding: 14px 18px; font-size: 14px; line-height: 1.7;\"\u003e\n\u003cstrong style=\"color: #fff;\"\u003eOrdering from the GCC?\u003c\/strong\u003e\u003cbr\u003e\n\u003cspan style=\"color: #aaa;\"\u003eShips FedEx International Priority from Kuwait. Dubai and Abu Dhabi in 48–72 hours. Doha, Riyadh, Jeddah in 48–72 hours.\u003c\/span\u003e\u003cbr\u003e\n\u003ca href=\"\/pages\/ecu-tuning-uae\" style=\"color: #cc0000; font-weight: 600;\"\u003eUAE customers →\u003c\/a\u003e  |  \u003ca href=\"\/pages\/ecu-tuning-qatar\" style=\"color: #cc0000; font-weight: 600;\"\u003eQatar customers →\u003c\/a\u003e  |  \u003ca href=\"\/pages\/ecu-tuning-saudi-arabia\" style=\"color: #cc0000; font-weight: 600;\"\u003eSaudi Arabia customers →\u003c\/a\u003e\n\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Shop\",\"item\":\"https:\/\/ypgmotorsport.com\/collections\/all\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Mercedes-AMG M157 Forged Internals\",\"item\":\"https:\/\/ypgmotorsport.com\/products\/mercedes-benz-amg-m157-forged-internals\"}]}\u003c\/script\u003e\n\u003cdiv class=\"product-faq\" style=\"margin-top:24px;border-top:1px solid #e0e0e0;padding-top:20px;\"\u003e\n\u003ch3 style=\"font-size:18px;font-weight:bold;margin-bottom:16px;\"\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cdetails style=\"margin-bottom:12px;\"\u003e\u003csummary style=\"font-weight:600;cursor:pointer;padding:8px 0;\"\u003eHow much do M157 forged internals cost?\u003c\/summary\u003e\u003cp style=\"padding:8px 0 8px 16px;color:#555;\"\u003eYPG Motorsport M157 forged connecting rods and pistons are $4,599 with free worldwide shipping.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails style=\"margin-bottom:12px;\"\u003e\u003csummary style=\"font-weight:600;cursor:pointer;padding:8px 0;\"\u003eWhat HP can the M157 handle with forged internals?\u003c\/summary\u003e\u003cp style=\"padding:8px 0 8px 16px;color:#555;\"\u003eYPG M157 forged internals are rated for 1,500HP+ builds, supporting aggressive turbo upgrades on pump fuel, E30, E85, and methanol.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails style=\"margin-bottom:12px;\"\u003e\u003csummary style=\"font-weight:600;cursor:pointer;padding:8px 0;\"\u003eDoes the M157 have cylinder scoring issues?\u003c\/summary\u003e\u003cp style=\"padding:8px 0 8px 16px;color:#555;\"\u003eYes. The M157 has a known cylinder scoring issue under high-boost operation. YPG recommends pairing forged internals with Darton Mid-Sleeves for a permanent solution. Contact us for the complete build package.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails style=\"margin-bottom:12px;\"\u003e\u003csummary style=\"font-weight:600;cursor:pointer;padding:8px 0;\"\u003eDo you ship forged internals worldwide?\u003c\/summary\u003e\u003cp style=\"padding:8px 0 8px 16px;color:#555;\"\u003eYes. Free worldwide shipping via FedEx International Priority on all YPG Motorsport forged internals. GCC delivery in 48–72 hours.\u003c\/p\u003e\u003c\/details\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"How much do M157 forged internals cost?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"YPG Motorsport M157 forged connecting rods and pistons are $4,599 with free worldwide shipping.\"}},{\"@type\":\"Question\",\"name\":\"What HP can the M157 handle with forged internals?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"YPG M157 forged internals are rated for 1,500HP+ builds, supporting aggressive turbo upgrades on pump fuel, E30, E85, and methanol.\"}},{\"@type\":\"Question\",\"name\":\"Does the M157 have cylinder scoring issues?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes. The M157 has a known cylinder scoring issue under high-boost operation. YPG recommends pairing forged internals with Darton Mid-Sleeves for a permanent solution. Contact us for the complete build package.\"}},{\"@type\":\"Question\",\"name\":\"Do you ship forged internals worldwide?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes. Free worldwide shipping via FedEx International Priority on all YPG Motorsport forged internals. GCC delivery in 48–72 hours.\"}}]}\u003c\/script\u003e","brand":"YPG Motorsport","offers":[{"title":"Default Title","offer_id":16776083079232,"sku":"YPG-M157-FORGED-INT","price":4599.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0084\/7288\/7360\/products\/07-12-18-5649_32612aba-fd32-4ef1-a9a4-7d19ebb6e12f.png?v=1544221677"},{"product_id":"mercedes-benz-amg-m178-forged-internals","title":"Mercedes-AMG M178 Forged Internals — 1,500HP+ Rated | Rods \u0026 Pistons | YPG Motorsport","description":"\u003ch2\u003eMercedes-AMG M178 Forged Internals — Rods \u0026amp; Pistons Kit\u003c\/h2\u003e\n\n\u003cp\u003eThe Mercedes-AMG M178 4.0L twin-turbo V8 is the performance-focused sibling of the M177, found exclusively in the AMG GT family. It shares the same 83mm bore and 92mm stroke as the M177 but uses a flat-plane crankshaft and dry-sump oiling system for improved oil starvation protection under track conditions. Our M178 forged internals kit is specifically designed for the dry-sump architecture and pairs directly with the YPG Stage 4 M178 turbo system — the same combination that has demonstrated 1,200HP+ on pump fuel in our own builds.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e8x Forged Connecting Rods\u003c\/strong\u003e — 4340 aircraft-grade steel, dry-sump compatible clearances\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e8x Forged Pistons\u003c\/strong\u003e — 83mm bore, optimised for forced induction\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eARP Rod Bolts\u003c\/strong\u003e — 220,000 PSI rated\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003ePolished Crankshaft\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePiston Rings\u003c\/strong\u003e — Low-tension performance ring pack\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWrist Pins \u0026amp; Clips\u003c\/strong\u003e — High-strength tool steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBalanced and Matched Set\u003c\/strong\u003e — within ±1.5g\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCeramic-Coated Piston Tops\u003c\/strong\u003e — Thermal barrier coating reduces heat transfer to the piston crown, protecting against detonation at high boost levels\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTeflon-Coated Skirts\u003c\/strong\u003e — Anti-friction coating reduces piston-to-wall contact friction, improving reliability and reducing wear under sustained high-RPM track operation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFactory Compression Ratio\u003c\/strong\u003e — Maintains stock compression geometry for seamless ECU calibration integration\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1,500HP+ Rated\u003c\/strong\u003e — Engineered to withstand extreme cylinder pressures from Stage 4 turbo upgrades\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDry-Sump Specific\u003c\/strong\u003e — All clearances and specifications matched to the M178 block architecture, not the M177. Do not interchange these kits\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCompatible Vehicles\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMercedes-AMG GT (C190) — 2015–2023 — Coupe and Roadster\u003c\/li\u003e\n\u003cli\u003eMercedes-AMG GT S (C190) — 2015–2023\u003c\/li\u003e\n\u003cli\u003eMercedes-AMG GT C (C190) — 2016–2023 — Coupe and Roadster\u003c\/li\u003e\n\u003cli\u003eMercedes-AMG GT R (C190) — 2017–2023 and GT R Pro (2019–2023)\u003c\/li\u003e\n\u003cli\u003eMercedes-AMG GT Black Series (C190) — 2020–2023\u003c\/li\u003e\n\u003cli\u003eEngine: M178 4.0L Twin-Turbo V8 — Dry Sump, Flat-Plane Crankshaft\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eDry Sump Note\u003c\/h3\u003e\n\u003cp\u003eThe M178's dry-sump oiling system is a significant advantage for track use — it eliminates oil starvation during high-G cornering and braking that affects wet-sump M177 engines. Our forged internals are designed and tested specifically for the M178's dry-sump architecture.\u003c\/p\u003e\n\n\u003ch3\u003eWhy YPG Motorsport?\u003c\/h3\u003e\n\u003cp\u003eYPG Motorsport holds the \u003cstrong\u003eworld record for the first sub-10-second Mercedes-AMG C63 W205 quarter mile\u003c\/strong\u003e (9.97s at 828 WHP) — built on the closely related M177 platform. Our M178 forged internals kit applies the same engineering standards. Every kit is sourced from CP-Carrillo or equivalent tier-1 forging houses, inspected and balanced before shipping.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eShips worldwide via FedEx International Priority from Kuwait.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"background: #111; border-left: 3px solid #cc0000; padding: 14px 18px; font-size: 14px; line-height: 1.7;\"\u003e\n\u003cstrong style=\"color: #fff;\"\u003eOrdering from the GCC?\u003c\/strong\u003e\u003cbr\u003e\n\u003cspan style=\"color: #aaa;\"\u003eShips FedEx International Priority from Kuwait. Dubai and Abu Dhabi in 48–72 hours. Doha, Riyadh, Jeddah in 48–72 hours.\u003c\/span\u003e\u003cbr\u003e\n\u003ca href=\"\/pages\/ecu-tuning-uae\" style=\"color: #cc0000; font-weight: 600;\"\u003eUAE customers →\u003c\/a\u003e  |  \u003ca href=\"\/pages\/ecu-tuning-qatar\" style=\"color: #cc0000; font-weight: 600;\"\u003eQatar customers →\u003c\/a\u003e  |  \u003ca href=\"\/pages\/ecu-tuning-saudi-arabia\" style=\"color: #cc0000; font-weight: 600;\"\u003eSaudi Arabia customers →\u003c\/a\u003e\n\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/mercedes-amg-gt-c190-lowering-springs\"\u003eMercedes-AMG GT C190 Lowering Springs — $649.00\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/carbon-air-intake-system-o102mm-mercedes-benz-amg-gt\"\u003eCarbon Air Intake System Ø102mm Mercedes Benz AMG GT — $2,490.00\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/stage-4-turbo-upgrade-m178\"\u003eMercedes-AMG GT Stage 4 Turbo Upgrade — $9,999.99\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/mercedes-amg-gt-s-c-valved-exhaust-with-mid-pipes-incl-cat-delete-oem-cat-adapters-ces3-set1-2\"\u003eMercedes-AMG GT Valved Exhaust with Mid-Pipes — $5,599.99\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Shop\",\"item\":\"https:\/\/ypgmotorsport.com\/collections\/all\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Mercedes-AMG M178 Forged Internals\",\"item\":\"https:\/\/ypgmotorsport.com\/products\/mercedes-benz-amg-m178-forged-internals\"}]}\u003c\/script\u003e\n\u003cdiv class=\"product-faq\" style=\"margin-top:24px;border-top:1px solid #e0e0e0;padding-top:20px;\"\u003e\n\u003ch3 style=\"font-size:18px;font-weight:bold;margin-bottom:16px;\"\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cdetails style=\"margin-bottom:12px;\"\u003e\u003csummary style=\"font-weight:600;cursor:pointer;padding:8px 0;\"\u003eHow much do M178 forged internals cost?\u003c\/summary\u003e\u003cp style=\"padding:8px 0 8px 16px;color:#555;\"\u003eYPG Motorsport M178 forged connecting rods and pistons are $6,599.99 with free worldwide shipping.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails style=\"margin-bottom:12px;\"\u003e\u003csummary style=\"font-weight:600;cursor:pointer;padding:8px 0;\"\u003eWhat HP can the M178 handle with forged internals?\u003c\/summary\u003e\u003cp style=\"padding:8px 0 8px 16px;color:#555;\"\u003eYPG M178 forged internals are rated for 1,500HP+ builds, compatible with Stage 4 turbo upgrades on pump fuel, E30, E85, and methanol.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails style=\"margin-bottom:12px;\"\u003e\u003csummary style=\"font-weight:600;cursor:pointer;padding:8px 0;\"\u003eWhat is the difference between M177 and M178 forged internals?\u003c\/summary\u003e\u003cp style=\"padding:8px 0 8px 16px;color:#555;\"\u003eThe M178 uses a flat-plane crankshaft and dry-sump oiling system exclusive to the AMG GT family. Clearances and specifications differ from the M177. Do not interchange kits between M177 and M178.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails style=\"margin-bottom:12px;\"\u003e\u003csummary style=\"font-weight:600;cursor:pointer;padding:8px 0;\"\u003eDo you ship forged internals worldwide?\u003c\/summary\u003e\u003cp style=\"padding:8px 0 8px 16px;color:#555;\"\u003eYes. Free worldwide shipping via FedEx International Priority on all YPG Motorsport forged internals. GCC delivery in 48–72 hours.\u003c\/p\u003e\u003c\/details\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"How much do M178 forged internals cost?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"YPG Motorsport M178 forged connecting rods and pistons are $6,599.99 with free worldwide shipping.\"}},{\"@type\":\"Question\",\"name\":\"What HP can the M178 handle with forged internals?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"YPG M178 forged internals are rated for 1,500HP+ builds, compatible with Stage 4 turbo upgrades on pump fuel, E30, E85, and methanol.\"}},{\"@type\":\"Question\",\"name\":\"What is the difference between M177 and M178 forged internals?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The M178 uses a flat-plane crankshaft and dry-sump oiling system exclusive to the AMG GT family. Clearances and specifications differ from the M177. Do not interchange kits between M177 and M178.\"}},{\"@type\":\"Question\",\"name\":\"Do you ship forged internals worldwide?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes. Free worldwide shipping via FedEx International Priority on all YPG Motorsport forged internals. GCC delivery in 48–72 hours.\"}}]}\u003c\/script\u003e","brand":"YPG Motorsport","offers":[{"title":"Default Title","offer_id":16776083996736,"sku":"YPG-M178-FORGED-INT","price":6599.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0084\/7288\/7360\/products\/07-12-18-5649_dbb02e15-5756-479d-b980-5a5f306761bd.png?v=1567107552"},{"product_id":"mercedes-benz-amg-m177-forged-internals","title":"Mercedes-AMG M177 Forged Internals — 1,500HP+ Rated | Rods \u0026 Pistons | YPG Motorsport","description":"\u003ch2\u003eMercedes-AMG M177 Forged Internals — Rods \u0026amp; Pistons Kit ★ 1,500HP+ Rated\u003c\/h2\u003e\n\n\u003cp\u003eThe Mercedes-AMG M177 4.0L twin-turbo V8 is the heart of the W205 C63, W213 E63, and AMG GT family. The stock M177 rods become the limiting factor above 700HP under sustained high-boost operation — ours don't. Built to handle 1,500HP+ cylinder pressures, this forged internals kit is engineered for builds that push far beyond what factory cast components can survive.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e8x Forged Connecting Rods\u003c\/strong\u003e — 4340 aircraft-grade steel, H-beam design\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e8x Forged Pistons\u003c\/strong\u003e — CP or Carrillo, 83mm bore compatible\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eARP Rod Bolts\u003c\/strong\u003e — 220,000 PSI rated\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePiston Rings\u003c\/strong\u003e — Low-tension performance ring pack\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWrist Pins \u0026amp; Clips\u003c\/strong\u003e — High-strength tool steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBalanced and Matched Set\u003c\/strong\u003e — within ±1.5g\u003c\/li\u003e\n\u003cli\u003eCompatible with YPG Stage 4 turbo kit and all methanol\/E85 builds\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCeramic-Coated Piston Tops\u003c\/strong\u003e — Thermal barrier coating reduces heat transfer to the piston crown, protecting against detonation at high boost levels\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTeflon-Coated Skirts\u003c\/strong\u003e — Anti-friction coating reduces piston-to-wall contact friction, improving reliability and reducing wear under sustained high-RPM operation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFactory Compression Ratio\u003c\/strong\u003e — Maintains stock compression geometry for seamless integration with OEM or aftermarket ECU calibrations\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1,500HP+ Rated\u003c\/strong\u003e — Engineered and validated for extreme boost, race fuel, and sustained high-RPM operation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrop-In Fitment\u003c\/strong\u003e — Direct replacement for factory rods and pistons, no block modifications required\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp style=\"background: #111; border-left: 3px solid #cc0000; padding: 14px 18px; font-size: 14px; line-height: 1.7; margin-top: 20px;\"\u003e\n\u003cstrong style=\"color: #fff;\"\u003eOnly need pistons?\u003c\/strong\u003e\u003cbr\u003e\n\u003cspan style=\"color: #aaa;\"\u003eIf your factory M177 rods are still serviceable, we offer standalone forged piston sets at $3,299.99 — same 1,500HP+ spec with ceramic-coated crowns and Teflon-coated skirts.\u003c\/span\u003e\u003cbr\u003e\n\u003ca href=\"\/products\/mercedes-amg-c63-w205-forged-pistons\" style=\"color: #cc0000; font-weight: 600;\"\u003eC63 W205 Forged Pistons →\u003c\/a\u003e   |   \u003ca href=\"\/products\/mercedes-amg-e63-w213-forged-pistons-m177-4-0t-v8-ypg-motorsport\" style=\"color: #cc0000; font-weight: 600;\"\u003eE63 W213 Forged Pistons →\u003c\/a\u003e\n\u003c\/p\u003e\n\n\u003ch3\u003eCompatible Vehicles\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMercedes-AMG C63 \/ C63 S (W205) — 2015–2021 — Sedan, Coupe, Cabriolet\u003c\/li\u003e\n\u003cli\u003eMercedes-AMG E63 \/ E63 S (W213) — 2017+\u003c\/li\u003e\n\u003cli\u003eMercedes-AMG GLC63 \/ GLC63 S (X253\/C253) — 2017+\u003c\/li\u003e\n\u003cli\u003eMercedes-AMG GT 63 \/ GT 63 S (C192) — 2018+\u003c\/li\u003e\n\u003cli\u003eMercedes-AMG GLE63 \/ GLE63 S (V167) — 2019+\u003c\/li\u003e\n\u003cli\u003eMercedes-AMG GLS63 (X167) — 2020+\u003c\/li\u003e\n\u003cli\u003eMercedes-AMG G63 (W463A) — 2018+\u003c\/li\u003e\n\u003cli\u003eMercedes-AMG S63 (W223) — 2022+\u003c\/li\u003e\n\u003cli\u003eEngine: M177 4.0L Twin-Turbo V8 (DE40 AL)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy YPG Motorsport?\u003c\/h3\u003e\n\u003cp\u003eYPG Motorsport holds the \u003cstrong\u003eworld record for the first sub-10-second Mercedes-AMG C63 W205 quarter mile\u003c\/strong\u003e — 9.97s at 828 WHP, set at Beech Bend Raceway Park, Kentucky on April 9, 2019. That record was set on a stock M177 bottom end — proof of how far the factory internals can go with the right calibration. For builds pushing past factory limits, our forged internals kit provides the margin the stock components don't. Every kit is sourced from CP-Carrillo or equivalent tier-1 forging houses, inspected and balanced before shipping.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eShips worldwide via FedEx International Priority from Kuwait.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"background: #111; border-left: 3px solid #cc0000; padding: 14px 18px; font-size: 14px; line-height: 1.7;\"\u003e\n\u003cstrong style=\"color: #fff;\"\u003eOrdering from the GCC?\u003c\/strong\u003e\u003cbr\u003e\n\u003cspan style=\"color: #aaa;\"\u003eShips FedEx International Priority from Kuwait. Dubai and Abu Dhabi in 48–72 hours. Doha, Riyadh, Jeddah in 48–72 hours.\u003c\/span\u003e\u003cbr\u003e\n\u003ca href=\"\/pages\/ecu-tuning-uae\" style=\"color: #cc0000; font-weight: 600;\"\u003eUAE customers →\u003c\/a\u003e  |  \u003ca href=\"\/pages\/ecu-tuning-qatar\" style=\"color: #cc0000; font-weight: 600;\"\u003eQatar customers →\u003c\/a\u003e  |  \u003ca href=\"\/pages\/ecu-tuning-saudi-arabia\" style=\"color: #cc0000; font-weight: 600;\"\u003eSaudi Arabia customers →\u003c\/a\u003e\n\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Shop\",\"item\":\"https:\/\/ypgmotorsport.com\/collections\/all\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Mercedes-AMG M177 Forged Internals\",\"item\":\"https:\/\/ypgmotorsport.com\/products\/mercedes-benz-amg-m177-forged-internals\"}]}\u003c\/script\u003e\n\u003cdiv class=\"product-faq\" style=\"margin-top:24px;border-top:1px solid #e0e0e0;padding-top:20px;\"\u003e\n\u003ch3 style=\"font-size:18px;font-weight:bold;margin-bottom:16px;\"\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cdetails style=\"margin-bottom:12px;\"\u003e\u003csummary style=\"font-weight:600;cursor:pointer;padding:8px 0;\"\u003eHow much do M177 forged internals cost?\u003c\/summary\u003e\u003cp style=\"padding:8px 0 8px 16px;color:#555;\"\u003eYPG Motorsport M177 forged connecting rods and pistons are $6,599.99 with free worldwide shipping.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails style=\"margin-bottom:12px;\"\u003e\u003csummary style=\"font-weight:600;cursor:pointer;padding:8px 0;\"\u003eWhat HP can the M177 handle with forged internals?\u003c\/summary\u003e\u003cp style=\"padding:8px 0 8px 16px;color:#555;\"\u003eYPG M177 forged internals are rated for 1,500HP+ builds — engineered for extreme boost, race fuel, and sustained high-RPM operation.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails style=\"margin-bottom:12px;\"\u003e\u003csummary style=\"font-weight:600;cursor:pointer;padding:8px 0;\"\u003eWhat vehicles use the M177 engine?\u003c\/summary\u003e\u003cp style=\"padding:8px 0 8px 16px;color:#555;\"\u003eThe M177 4.0L twin-turbo V8 is found in the C63\/C63S W205, E63 W213, AMG GT\/GTS\/GTR, GLC63, GLE63, GLS63, G63 W463A, and S63 W223.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails style=\"margin-bottom:12px;\"\u003e\u003csummary style=\"font-weight:600;cursor:pointer;padding:8px 0;\"\u003eAre these drop-in replacements?\u003c\/summary\u003e\u003cp style=\"padding:8px 0 8px 16px;color:#555;\"\u003eYes. Drop-in replacement for factory rods and pistons. Designed for builds that exceed factory power levels.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails style=\"margin-bottom:12px;\"\u003e\u003csummary style=\"font-weight:600;cursor:pointer;padding:8px 0;\"\u003eDo you ship forged internals worldwide?\u003c\/summary\u003e\u003cp style=\"padding:8px 0 8px 16px;color:#555;\"\u003eYes. Free worldwide shipping via FedEx International Priority on all YPG Motorsport forged internals. GCC delivery in 48–72 hours.\u003c\/p\u003e\u003c\/details\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"How much do M177 forged internals cost?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"YPG Motorsport M177 forged connecting rods and pistons are $6,599.99 with free worldwide shipping.\"}},{\"@type\":\"Question\",\"name\":\"What HP can the M177 handle with forged internals?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"YPG M177 forged internals are rated for 1,500HP+ builds — engineered for extreme boost, race fuel, and sustained high-RPM operation.\"}},{\"@type\":\"Question\",\"name\":\"What vehicles use the M177 engine?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The M177 4.0L twin-turbo V8 is found in the C63\/C63S W205, E63 W213, AMG GT\/GTS\/GTR, GLC63, GLE63, GLS63, G63 W463A, and S63 W223.\"}},{\"@type\":\"Question\",\"name\":\"Are these drop-in replacements?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes. Drop-in replacement for factory rods and pistons. Designed for builds that exceed factory power levels.\"}},{\"@type\":\"Question\",\"name\":\"Do you ship forged internals worldwide?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes. Free worldwide shipping via FedEx International Priority on all YPG Motorsport forged internals. GCC delivery in 48–72 hours.\"}}]}\u003c\/script\u003e","brand":"YPG Motorsport","offers":[{"title":"Default Title","offer_id":16776084455488,"sku":"YPG-M177-FORGED-INT","price":6599.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0084\/7288\/7360\/products\/07-12-18-5649_dce71592-b1c9-4ecc-8719-d2216fdccb64.png?v=1567107521"},{"product_id":"mercedes-amg-e63-w213-forged-pistons-m177-4-0t-v8-ypg-motorsport","title":"Mercedes-AMG E63 W213 Forged Pistons — 1,500HP+ Rated | M177 4.0T V8 | YPG Motorsport","description":"\u003ch2\u003eMercedes-AMG E63 W213 Forged Pistons — M177 4.0L Twin-Turbo V8\u003c\/h2\u003e\n\n\u003cp\u003eCustom forged pistons for the Mercedes-AMG E63 and E63 S (W213) — purpose-built for the M177 4.0L twin-turbo V8 to handle extreme boost, timing, and cylinder pressures far beyond factory limits.\u003c\/p\u003e\n\n\u003cp\u003eWhen pushing the M177 past 700–800+ HP, factory cast pistons become the weak link. Our forged piston set is designed for builds running upgraded turbos, aggressive tuning, and race fuel — delivering the strength needed to survive sustained high-boost operation without the full cost of a complete forged internals kit.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e8x Forged Pistons\u003c\/strong\u003e — 4340 aircraft-quality forged aluminum, precision-machined to OEM bore specifications for the M177 4.0T V8\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePiston Rings\u003c\/strong\u003e — Low-tension performance ring pack for improved sealing under boost and reduced friction\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWrist Pins \u0026amp; Clips\u003c\/strong\u003e — Heavy-duty tool steel wrist pins rated for extreme cylinder pressures\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCeramic-Coated Tops\u003c\/strong\u003e — Thermal barrier coating reduces heat transfer to the piston crown, protecting against detonation at high boost levels. Standalone coating service (Swain Tech, Calico) runs $200–400 per set.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTeflon-Coated Skirts\u003c\/strong\u003e — Anti-friction coating reduces piston-to-wall contact friction, improving reliability and reducing wear under sustained high-RPM operation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFactory Compression Ratio\u003c\/strong\u003e — Maintains stock compression geometry for seamless integration with OEM or aftermarket ECU calibrations\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1,500HP+ Rated\u003c\/strong\u003e — Same specification as the world-record C63 W205 build. Engineered to withstand cylinder pressures generated by Stage 3+ turbo upgrades and aggressive ignition timing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIdeal For\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eStage 2–4 turbo builds producing 700–1,500+ HP\u003c\/li\u003e\n\u003cli\u003eBuilds where factory rods are still serviceable but pistons need upgrading\u003c\/li\u003e\n\u003cli\u003ePreventative upgrade before pushing aggressive boost and timing\u003c\/li\u003e\n\u003cli\u003eBudget-conscious builds that don't require a full forged rods \u0026amp; pistons kit\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMercedes-AMG E63 (W213) — 2017+\u003c\/li\u003e\n\u003cli\u003eMercedes-AMG E63 S (W213) — 2017+\u003c\/li\u003e\n\u003cli\u003eEngine: M177 4.0L Twin-Turbo V8 (DE40 AL)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy YPG Motorsport?\u003c\/h3\u003e\n\u003cp\u003eYPG Motorsport holds the \u003cstrong\u003eworld record for the first sub-10-second Mercedes-AMG C63 W205 quarter mile\u003c\/strong\u003e (9.97s at 828 WHP) — built on the same M177 platform. Our forged piston spec — including ceramic-coated crowns and Teflon-coated skirts — is derived directly from our record-setting C63 build program. Every kit is sourced from CP-Carrillo or equivalent tier-1 forging houses and inspected before shipping.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eShips worldwide via FedEx International Priority from Kuwait.\u003c\/strong\u003e\u003c\/p\u003e","brand":"YPG Motorsport","offers":[{"title":"Default","offer_id":48648248983744,"sku":"YPG-M177-FORGED-PISTONS-E63","price":3299.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0084\/7288\/7360\/files\/07-12-18-5649_41f9e68e-b789-474d-b97d-29bf764c7c5d.png?v=1784687532"},{"product_id":"mercedes-amg-c63-w205-forged-pistons","title":"Mercedes-AMG C63 W205 Forged Pistons — 1,500HP+ Rated | M177 4.0T V8 | YPG Motorsport","description":"\u003ch2\u003eMercedes-AMG C63 W205 Forged Pistons — M177 4.0L Twin-Turbo V8\u003c\/h2\u003e\n\n\u003cp\u003eCustom forged pistons for the Mercedes-AMG C63 and C63 S (W205) — purpose-built for the M177 4.0L twin-turbo V8 to handle extreme boost, timing, and cylinder pressures far beyond factory limits. Rated for 1,500HP+ builds with ceramic-coated crowns and Teflon-coated skirts as standard.\u003c\/p\u003e\n\n\u003cp\u003eWhen pushing the M177 past 700–800+ HP, factory cast pistons become the weak link. Our forged piston set is designed for builds running upgraded turbos, aggressive tuning, and race fuel — delivering the strength needed to survive sustained high-boost operation without the full cost of a complete forged internals kit.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e8x Forged Pistons\u003c\/strong\u003e — 4340 aircraft-quality forged aluminum, precision-machined to OEM bore specifications for the M177 4.0T V8\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePiston Rings\u003c\/strong\u003e — Low-tension performance ring pack for improved sealing under boost and reduced friction\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWrist Pins \u0026amp; Clips\u003c\/strong\u003e — Heavy-duty tool steel wrist pins rated for extreme cylinder pressures\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCeramic-Coated Tops\u003c\/strong\u003e — Thermal barrier coating reduces heat transfer to the piston crown, protecting against detonation at high boost levels. Standalone coating service (Swain Tech, Calico) runs $200–400 per set.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTeflon-Coated Skirts\u003c\/strong\u003e — Anti-friction coating reduces piston-to-wall contact friction, improving reliability and reducing wear under sustained high-RPM operation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFactory Compression Ratio\u003c\/strong\u003e — Maintains stock compression geometry for seamless integration with OEM or aftermarket ECU calibrations\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1,500HP+ Rated\u003c\/strong\u003e — Engineered to withstand cylinder pressures generated by Stage 3+ turbo upgrades and aggressive ignition timing\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIdeal For\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eStage 2–4 turbo builds producing 700–1,500+ HP\u003c\/li\u003e\n\u003cli\u003eBuilds where factory rods are still serviceable but pistons need upgrading\u003c\/li\u003e\n\u003cli\u003ePreventative upgrade before pushing aggressive boost and timing\u003c\/li\u003e\n\u003cli\u003eBudget-conscious builds that don't require a full forged rods \u0026amp; pistons kit\u003c\/li\u003e\n\u003cli\u003eQuarter-mile and roll-race applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMercedes-AMG C63 (W205) — 2015–2021 — Sedan, Coupe, Cabriolet\u003c\/li\u003e\n\u003cli\u003eMercedes-AMG C63 S (W205) — 2015–2021 — Sedan, Coupe, Cabriolet\u003c\/li\u003e\n\u003cli\u003eEngine: M177 4.0L Twin-Turbo V8 (M177 DE40 AL)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy YPG Motorsport?\u003c\/h3\u003e\n\u003cp\u003eYPG Motorsport holds the \u003cstrong\u003eworld record for the first sub-10-second Mercedes-AMG C63 W205 quarter mile\u003c\/strong\u003e — 9.97 seconds at 828 WHP, set at Beech Bend Raceway Park, Kentucky on April 9, 2019. That record was achieved on a stock M177 bottom end — proof of the factory internals' strength with the right calibration. For builds pushing beyond factory limits, our forged pistons provide the safety margin the stock cast components can't. Every kit is sourced from CP-Carrillo or equivalent tier-1 forging houses and inspected before shipping.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eShips worldwide via FedEx International Priority from Kuwait.\u003c\/strong\u003e\u003c\/p\u003e","brand":"YPG Motorsport","offers":[{"title":"Default Title","offer_id":48663650566336,"sku":"YPG-M177-FORGED-PISTONS-C63","price":3299.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0084\/7288\/7360\/files\/07-12-18-5649_41f9e68e-b789-474d-b97d-29bf764c7c5d.png?v=1784687532"},{"product_id":"mercedes-amg-m156-forged-pistons","title":"Mercedes-AMG M156 Forged Pistons — 1,500HP+ Rated | 6.2L NA V8 | YPG Motorsport","description":"\u003ch2\u003eMercedes-AMG M156 Forged Pistons — 6.2L Naturally Aspirated V8\u003c\/h2\u003e\n\n\u003cp\u003eCustom forged pistons for the Mercedes-AMG M156 6.2L naturally aspirated V8 — purpose-built for high-compression race builds, forced induction conversions, and sustained high-RPM operation far beyond factory limits.\u003c\/p\u003e\n\n\u003cp\u003eThe M156 is one of the strongest naturally aspirated AMG engines ever produced — the last hand-built AMG V8 before the twin-turbo M157\/M177 era. But when builders push it into forced induction territory (supercharger swaps, twin-turbo conversions, methanol builds) or high-RPM race applications, factory cast pistons become the limiting factor. Our forged piston set delivers the strength needed to unlock the M156's full potential without the full cost of a complete forged internals kit.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e8x Forged Pistons\u003c\/strong\u003e — 4340 aircraft-quality forged aluminum, precision-machined to OEM bore specifications for the M156 6.2L V8\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePiston Rings\u003c\/strong\u003e — Low-tension performance ring pack for improved sealing and reduced friction\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWrist Pins \u0026amp; Clips\u003c\/strong\u003e — Heavy-duty tool steel wrist pins rated for extreme cylinder pressures\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCeramic-Coated Tops\u003c\/strong\u003e — Thermal barrier coating reduces heat transfer to the piston crown, critical for forced induction M156 builds where detonation risk increases significantly. Standalone coating service (Swain Tech, Calico) runs $200–400 per set.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTeflon-Coated Skirts\u003c\/strong\u003e — Anti-friction coating reduces piston-to-wall contact friction, improving reliability at sustained 7,000+ RPM operation the M156 was designed for\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFactory Compression Ratio\u003c\/strong\u003e — Maintains stock 11.3:1 compression geometry for NA applications. Custom low-compression versions available on request for forced induction builds.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1,500HP+ Rated\u003c\/strong\u003e — Engineered to withstand cylinder pressures from twin-turbo conversions, supercharger swaps, and methanol injection race builds\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIdeal For\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eTwin-turbo M156 conversions (SLS AMG builds, C63 W204 TT swaps)\u003c\/li\u003e\n\u003cli\u003eSupercharger conversions (Weistec-style stage-3 builds)\u003c\/li\u003e\n\u003cli\u003eHigh-RPM NA race builds pushing beyond the factory 7,200 RPM redline\u003c\/li\u003e\n\u003cli\u003eMethanol \/ E85 race builds where cylinder pressures spike beyond factory limits\u003c\/li\u003e\n\u003cli\u003ePreventative upgrade before the factory piston cracking becomes catastrophic\u003c\/li\u003e\n\u003cli\u003eBudget-conscious builds that don't require a full forged rods \u0026amp; pistons kit\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMercedes-AMG SLS AMG (C197) — 2011–2015\u003c\/li\u003e\n\u003cli\u003eMercedes-AMG C63 (W204) — 2008–2014 — Sedan, Coupe, Wagon, Black Series\u003c\/li\u003e\n\u003cli\u003eMercedes-AMG E63 (W211 \/ W212) — 2007–2013\u003c\/li\u003e\n\u003cli\u003eMercedes-AMG CLS63 (W219) — 2007–2010\u003c\/li\u003e\n\u003cli\u003eMercedes-AMG CLK63 Black Series (C209) — 2008\u003c\/li\u003e\n\u003cli\u003eMercedes-AMG ML63 (W164) — 2007–2011\u003c\/li\u003e\n\u003cli\u003eMercedes-AMG GL63 (X164) — 2009–2012\u003c\/li\u003e\n\u003cli\u003eMercedes-AMG SL63 (R230 \/ R231) — 2009–2016\u003c\/li\u003e\n\u003cli\u003eMercedes-AMG R63 (W251) — 2007–2009\u003c\/li\u003e\n\u003cli\u003eEngine: M156 6.2L Naturally Aspirated V8 (M156 E63)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy YPG Motorsport?\u003c\/h3\u003e\n\u003cp\u003eYPG Motorsport specializes in AMG V8 platforms — from world-record M177 twin-turbo builds to naturally aspirated M156 race applications. Our forged M156 piston spec is engineered for the specific stress cases the M156 sees in modern high-power builds: sustained high RPM, forced induction cylinder pressures, and race fuel operation. Every kit is sourced from CP-Carrillo or equivalent tier-1 forging houses and inspected before shipping.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eShips worldwide via FedEx International Priority from Kuwait.\u003c\/strong\u003e\u003c\/p\u003e","brand":"YPG Motorsport","offers":[{"title":"Default Title","offer_id":48663651090624,"sku":"YPG-M156-FORGED-PISTONS","price":2999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0084\/7288\/7360\/products\/07-12-18-5649.png?v=1774317150"},{"product_id":"mercedes-amg-m157-forged-pistons","title":"Mercedes-AMG M157 Forged Pistons — 1,500HP+ Rated | 5.5L Twin-Turbo V8 | YPG Motorsport","description":"\u003ch2\u003eMercedes-AMG M157 Forged Pistons — 5.5L Twin-Turbo V8\u003c\/h2\u003e\n\n\u003cp\u003eCustom forged pistons for the Mercedes-AMG M157 5.5L twin-turbo V8 — purpose-built to handle extreme boost, timing, and cylinder pressures far beyond factory limits. The M157 is the second-generation AMG twin-turbo V8 that powered the E63, CLS63, G63, S63, SL63, ML63, GL63, and GLE63 before the M177 took over the platform.\u003c\/p\u003e\n\n\u003cp\u003eThe M157 is famously durable at stock power, but once pushed past 700+ HP with upgraded turbos, methanol\/E85 fuel, or aggressive tuning, factory cast pistons become the weak link. Our forged piston set delivers the strength needed for high-boost operation without the full cost of a complete forged internals kit.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e8x Forged Pistons\u003c\/strong\u003e — 4340 aircraft-quality forged aluminum, precision-machined to OEM bore specifications for the M157 5.5T V8\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePiston Rings\u003c\/strong\u003e — Low-tension performance ring pack for improved sealing under boost and reduced friction\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWrist Pins \u0026amp; Clips\u003c\/strong\u003e — Heavy-duty tool steel wrist pins rated for extreme cylinder pressures\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCeramic-Coated Tops\u003c\/strong\u003e — Thermal barrier coating reduces heat transfer to the piston crown, protecting against detonation at high boost levels. Standalone coating service (Swain Tech, Calico) runs $200–400 per set.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTeflon-Coated Skirts\u003c\/strong\u003e — Anti-friction coating reduces piston-to-wall contact friction, improving reliability under sustained high-boost operation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFactory Compression Ratio\u003c\/strong\u003e — Maintains stock compression geometry for seamless integration with OEM or aftermarket ECU calibrations\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1,500HP+ Rated\u003c\/strong\u003e — Engineered to withstand cylinder pressures generated by Stage 3+ turbo upgrades, methanol injection, and E85 race fuel\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIdeal For\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eStage 2–4 turbo builds producing 700–1,500+ HP\u003c\/li\u003e\n\u003cli\u003eMethanol \/ E85 race fuel applications\u003c\/li\u003e\n\u003cli\u003eBuilds where factory rods are still serviceable but pistons need upgrading\u003c\/li\u003e\n\u003cli\u003ePreventative upgrade before pushing aggressive boost and timing\u003c\/li\u003e\n\u003cli\u003eBudget-conscious builds that don't require a full forged rods \u0026amp; pistons kit\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMercedes-AMG E63 \/ E63 S (W212) — 2013–2016 (facelift)\u003c\/li\u003e\n\u003cli\u003eMercedes-AMG CLS63 \/ CLS63 S (W218) — 2013–2018\u003c\/li\u003e\n\u003cli\u003eMercedes-AMG G63 (W463) — 2013–2018 (pre-M177)\u003c\/li\u003e\n\u003cli\u003eMercedes-AMG S63 (W221) — 2011–2013 and S63 (W222) — 2014–2020\u003c\/li\u003e\n\u003cli\u003eMercedes-AMG CL63 (C216) — 2011–2014\u003c\/li\u003e\n\u003cli\u003eMercedes-AMG SL63 (R231) — 2013–2020\u003c\/li\u003e\n\u003cli\u003eMercedes-AMG ML63 (W166) — 2013–2015\u003c\/li\u003e\n\u003cli\u003eMercedes-AMG GL63 (X166) — 2013–2016\u003c\/li\u003e\n\u003cli\u003eMercedes-AMG GLE63 (W166) — 2016–2019 (pre-M177)\u003c\/li\u003e\n\u003cli\u003eMercedes-AMG GLS63 (X166) — 2017–2019 (pre-M177)\u003c\/li\u003e\n\u003cli\u003eEngine: M157 5.5L Twin-Turbo V8 (M157 DE55 AL)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy YPG Motorsport?\u003c\/h3\u003e\n\u003cp\u003eYPG Motorsport holds the \u003cstrong\u003eworld record for the first sub-10-second Mercedes-AMG C63 W205 quarter mile\u003c\/strong\u003e — 9.97 seconds at 828 WHP on the M177 platform. Our M157 forged piston spec — ceramic-coated crowns, Teflon-coated skirts — draws from the same engineering discipline we apply across the entire AMG twin-turbo V8 range. Every kit is sourced from CP-Carrillo or equivalent tier-1 forging houses and inspected before shipping.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eShips worldwide via FedEx International Priority from Kuwait.\u003c\/strong\u003e\u003c\/p\u003e","brand":"YPG Motorsport","offers":[{"title":"Default Title","offer_id":48664525668544,"sku":"YPG-M157-FORGED-PISTONS","price":2499.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0084\/7288\/7360\/files\/07-12-18-5649_32612aba-fd32-4ef1-a9a4-7d19ebb6e12f.png?v=1785139010"}],"url":"https:\/\/ypgmotorsport.com\/collections\/mercedes-amg-forged-internals.oembed","provider":"YPG Motorsport","version":"1.0","type":"link"}