Duramax PowerPak Piston Set 4.075 Bore 6.6L LP5

The Duramax PowerPak Piston Set 4.075 Bore 6.6L LP5 from MAHLE PISTONS is designed specifically for diesel enthusiasts and professional engine builders who require high-quality internal components for the Duramax LP5 platform. This piston set serves as a direct replacement for stock units in the 6.6L Duramax engines, ensuring compatibility and performance.

Engineered with advanced forging techniques and high-silicon aluminum alloys, these pistons are built to withstand increased cylinder pressures from turbocharging while maintaining thermal stability. The 4.075-inch bore size guarantees a precise fit within the Duramax 6.6L block, optimizing ring seal and combustion chamber geometry for enhanced performance.

Ideal for those performing mid-life engine refreshes, this complete piston set includes all necessary components for a full engine rebuild, simplifying the assembly process. The reinforced skirt design and optimized pin bore geometry contribute to improved responsiveness and longevity, making it a suitable choice for modified engine applications that demand stronger internals.