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Choate Performance Engineering

6.6L Long Block Model C LB7 Engine Choate Performance 2001-2004 Duramax Diesel Engine Choate Performance

$6,815.00

SKU: C0D9 CEP66LB7LC

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

Advanced — 4+ hours

Description

The "Workhorse" model is designed for maximum durability and reliability for regular heavy hauling and strenuous towing. It features upgrades over the "Daily Driver" model, including O-Ringed Heads, Coated, Fly Cut and Delipped Pistons, Stage 2 Cam, and Chromoly Pushrods. It's rated for 600+ HP capability, features a fully balanced rotating assembly, upgraded pistons, enhanced valve integrity, and improved head sealing. The engine block, cylinder heads, and rotational assembly undergo extensive, precision CNC machining.

Fitment

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Specifications

BrandChoate Performance Engineering
Part NumberC0D9 CEP66LB7LC

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Choate Diesel Crate Engines Ad 1

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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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