Description
Enhance your engine’s performance with the Mahle MS Piston Set designed specifically for the GM Duramax 6.6L diesel engine. Featuring a bore diameter of 4.055 inches and a stroke of 3.898 inches, these pistons are engineered for durability and efficiency. The set includes pistons with a compression ratio of 16.7:1, optimized for power output while maintaining reliability. Each piston is equipped with a 6.417-inch connecting rod and a 1.358-inch pin, ensuring a precise fit and smooth operation within your engine assembly.
The pistons are coated with Grafal, a high-performance surface treatment that reduces friction and wear, contributing to longer engine life and improved performance. Crafted from high-quality materials, these pistons have a total displacement of 40.7 cubic centimeters and a weight of approximately 864 grams per piston, making them suitable for demanding diesel applications. The set is ideal for rebuilds or performance upgrades, providing the necessary components to restore or enhance your engine’s capabilities.
Please note that these pistons are not carburetor approved and require carb acknowledgment for installation. They are classified under automotive parts and are available as regular stock, ensuring quick availability for your project. Whether for restoration or performance enhancement, the Mahle MS Piston Set offers reliable quality and precise engineering to meet the demands of heavy-duty diesel engines. Proper installation and adherence to all manufacturer guidelines are recommended to ensure optimal performance and longevity.
Features:
- Bore diameter: 4.055 inches for precise engine fit
- Stroke length: 3.898 inches for optimal combustion cycle
- Compression ratio: 16.7:1 for balanced power and efficiency
- Material: Durable pistons designed for heavy-duty diesel performance
- Coating: Grafal surface treatment reduces friction and wear
- Connecting rod length: 6.417 inches for reliable operation
- Piston pin diameter: 1.358 inches for secure attachment
- Displacement: 40.7 cubic centimeters per piston for engine performance
- Set includes 8 pistons for complete engine rebuild





















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