Mahle Motorsport GM 6.6L Duramax Forged Race Piston Set 4.075 in. 16.5:1
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Regular price
$2,773.52
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This product is selected for proper fitment and compatibility with the listed engine application. Our team is available to assist with fitment questions, installation considerations, and supporting components to ensure a smooth install and reliable performance.
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Compliance & Restrictions
California Proposition 65 (Prop 65)
WARNING: This product can expose you to chemicals which is known to the State of California to cause cancer and/or reproductive harm.
For more information, visit www.P65Warnings.ca.gov.
CARB / California Emissions Compliance
This item may be restricted in California and other regions with emissions regulations. If applicable, it is intended for
competition/off-road use only unless otherwise stated. It is the customer’s responsibility to confirm local compliance before purchase.
Orders shipping to restricted areas may be canceled.
Forged M124P race pistons from Mahle Motorsport, machined to 4.075 in. for the 6.6L Duramax and finished with a coated skirt and hard anodized top ring groove.
Key Features
- M124P forged aluminum race piston with a coated skirt
- Bore: 4.075 in. | Stroke: 3.898 in. | Rod: 6.417 in
- Crown volume -41.8cc for a 16.5:1 compression ratio
- Compression height 1.951 in., reduced 0.010 in. from stock
- Hard anodized top ring groove
- 0.075 in. deep valve pockets for added valve clearance
- 4075MDR ring set included
- Listed weight: 785 grams each
- Sold as a set of eight pistons
- Also suits Brodix and Wagler cylinder heads
Fitment
- GM 6.6L Duramax V8 diesel, LB7, LLY, LBZ, LMM, LGH and LML engine codes (2001-2016)
- 4.075 in. bore
Product Details
- Manufacturer Part Number: 930036275
- Brand: Mahle Motorsport
- Bore: 4.075 in
- Stroke: 3.898 in
- Rod length: 6.417 in
- Compression height: 1.951 in
- Pin diameter: 1.358 in
- Crown volume: -41.8cc
- Compression ratio: 16.5:1
- Valve pockets: 0.075 in. deep
- Alloy: M124P
- Weight: 785 grams
- Ring set: 4075MDR included
- Quantity: Set of 8
- Compression ratio calculated with 0.012 in. piston protrusion above deck and a 0.037 x 4.115 in. head gasket
Shipping Height: 8.0
Shipping Length: 13.0
Shipping Width: 11.0