Engines and Components Engines, Blocks and Components

Choate Performance Engineering

6.6L 2007-2010 Duramax LMM Long Block Daily Driver Diesel Crate Engine Choate Performance CORE CHARGE OF $1500.00 APPLIES

$12,715.00

SKU: C0D9 CEP66LMMLD

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Professional / shop required

Description

The "Daily Driver" model is specifically designed for spirited daily driving, consumer-level towing, and everyday life. Key features and fixes include upgrades over the Model C: Rockers, Pushrods, Oil Pump, New Harmonic Balancer, New Flex Plate (Flywheel is NOT included for manual builds!!!), Upper Oil Pan, Lower Oil Pan, Head Studs, Rear Cover and Gasket, Front Cover and Gasket, Rear Main Seal, Front Main Seal. It offers high-output performance rated for 500+ HP capability, a fully balanced rotating assembly, upgraded pistons, and enhanced valve integrity. Choate Engineering Performance remanufactures these engines, with extensive, precision machine work to correct OEM flaws. This includes CNC blueprint machining of the engine block, in-house machining and enhancement of cylinder heads, and balancing of the rotational assembly.

Fitment

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Specifications

BrandChoate Performance Engineering
Part NumberC0D9 CEP66LMMLD

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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