Mercedes-AMG M133 Forged Internals — 500HP+ Rated | Rods & Pistons | YPG Motorsport

Mercedes-AMG M133 Forged Internals — Rods & Pistons Kit

Forged 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.

What's Included

• 4x Forged Connecting Rods — 4340 aircraft-grade steel, H-beam design, shot-peened surfaces
• 4x Forged Pistons — CP or equivalent specification, matched to M133 bore
• ARP Rod Bolts — 220,000 PSI rated
• Piston Rings — Low-tension performance ring pack
• Wrist Pins & Clips — High-strength tool steel pins
• Balanced and Matched Set — within ±1.5g

Key Features

• Ceramic-Coated Piston Tops — Thermal barrier coating reduces heat transfer to the piston crown, protecting against detonation at high boost levels
• Teflon-Coated Skirts — Anti-friction coating reduces piston-to-wall contact friction, improving reliability under sustained high-RPM operation
• Factory Compression Ratio — Maintains stock compression geometry for seamless integration with OEM or aftermarket ECU calibrations
• 500HP+ Rated — Engineered to withstand cylinder pressures from Stage 3+ turbo upgrades and aggressive ignition timing on the 2.0L platform
• CNC-Machined — Precision tolerances from billet forgings for exact fitment

Compatible Vehicles

• Mercedes-AMG A45 (W176) — 2013–2018
• Mercedes-AMG CLA45 (C117) — 2013–2019
• Mercedes-AMG GLA45 (X156) — 2014–2019
• Engine: M133 2.0L Turbo Inline-4 (DE20 AL)

Why YPG Motorsport?

YPG Motorsport holds the world record for the first sub-10-second Mercedes-AMG C63 W205 quarter mile (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.

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