MAHLE 224-3985WR-1.00MM Oversize Piston Set with Rings for GM 6.6L Duramax

The MAHLE 224-3985WR-1.00MM Engine Piston Set is an OE-quality replacement designed for GM 6.6L LML Duramax diesel engines (2011-2016). This 1.00mm oversize piston set offers reduced compression for modified applications, making it ideal for performance builds and engine rebuilds requiring oversized pistons.

Complete Installation Kit:

Each set comes ready for installation with mounted piston rings, wrist pins, and clips included for the convenience of professional engine builders and DIY mechanics. MAHLE pistons are sold only in complete sets of eight, ensuring matched components throughout your engine rebuild.

Premium OE Features:

• Compensated ring grooves assure proper ring loading and oil control
• Expansion controlled designs for small fitting clearances to reduce engine noise, wear, and emissions
• Manufactured to the most stringent tolerances with coated skirts to minimize friction and scuffing
• Cast from high temperature-resistant aluminum alloys for reliable performance
• Lightweight design reduces reciprocating mass and bearing loads while improving engine response

MAHLE is one of the largest OE piston manufacturers in the world, trusted by major automakers and performance enthusiasts for precision-engineered engine components. This piston set maintains the same high-quality construction and design features found in original GM pistons, making it an excellent choice for restoring or upgrading your Duramax diesel engine.