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DFC Engines

6.6 CHEVY GM SPEED OF AIR SHORT BLOCK (STD AUTO) 07.5-10 LMM Core Charge Applies plus Core Container Charge (3000) of 500 Crate charge

$11,187.04 $9,262.77 Save $1,924.27

SKU: D011 6607510LMMSOASB

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Special Order
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Non-Returnable Item
INSTALL DIFFICULTY
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Description

The DFC Diesel SS6607510LMMSOALB Street Series Speed Of Air Long Block is a remanufactured engine for 2007.5-2010 Duramax LMM powered GM/Chevrolet 2500HD and 3500HD trucks. It features ARP or OptiTorque head studs, Total Seal gapless piston rings, and an upgraded EDM doweled oil pump gear.

Fitment

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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

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Specifications

BrandDFC Engines
Part NumberD011 6607510LMMSOASB

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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