Engines and Components Camshafts and Valvetrain

COMP Cams

BMThmpr 243/257 H-Rlr GK-Kit BBC 396-454

$1,666.06

SKU: C007 GK11-602-8

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In Stock
Ships by Jun 10
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Non-Returnable Item
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Description

The COMP Cams GK11-602-8 is a Big Mutha Thumpr Retro-Fit Hydraulic Roller Camshaft, Lifters, & Gear Drive Kit for Chevy 396-454 ci Big Block 1967-96 Non-Factory Roller Blocks. It features precision-machined, heat-treated billet steel gears and is designed for street/strip applications.

Fitment

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Specifications

BrandCOMP Cams
Part NumberC007 GK11-602-8

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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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