2001-2016 Duramax 6.6L Mahle PowerPak Forged Race Piston & Ring Set w/ Valve Pockets - Standard (930036255)
This set of eight forged aluminum pistons pairs a 4.055" bore with 16.3:1 compression. The pistons have coated skirts and a hard-anodized top ring groove. Mahle lists compatibility with Brodix and Wagler cylinder heads. The crowns have 0.075" deep valve pockets. Compression height is reduced by 0.010". The catalog compression ratio assumes 0.012" piston protrusion and a 0.037" x 4.115" head gasket.
Includes
- Set of 8 pistons with bore-matched Mahle rings
Specifications:
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Part number: 930036255
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Application / piston design: GM 6.6L Duramax Forged Aluminum Race Pistons w/ 0.075” Deep Valve Pockets
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Displacement: 403 cu. in.
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Bore: 4.055 in.
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Stroke: 3.898 in.
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Rod length: 6.417 in.
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Compression height: 1.951 in.
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Pin diameter: 1.358 in.
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Crown volume: -41.8cc
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Piston weight: 774 g
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Compression ratio: 16.3:1
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Piston alloy / material: M124P
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Clearance measuring point: 0.500 in.
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Minimum clearance: 0.0055 in.
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Maximum clearance: 0.0063 in.
Shelf stock version of the Custom Race Piston, Coated skirt and Hard Anodized top ring groove - Ring Set (40xxMDR) Included
CH reduced 0.010” - Fits LB7, LLY, LBZ, LMM, LGH, LML - Brodix and Wagler Cylinder Heads
CR calculated with 0.012” piston protrusion above deck and 0.037 x 4.115” head gasket 6.5cc
Set of 8 pistons with bore-matched Mahle rings
GM Duramax
2001-2016 6.6L LB7, LLY, LBZ, LMM, LGH, LML
Brodix and Wagler cylinder heads
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