Engines and Components Camshafts and Valvetrain

COMP Cams

Thmpr 227/241 H-Flt GK-Kit BBC 396-454

$820.50

SKU: C007 GK11-600-4

In Stock
In Stock
Ships by Jun 10
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

This COMP Cams GK11-600-4 Thumpr Hydraulic Flat Tappet Camshaft, Lifter & Gear Drive Kit is designed for Chevy 396-454ci Big Block engines (1965-1996). It includes a precision-machined, heat-treated billet steel gear drive with a 3-way crank sprocket (4 degrees max advance/retard) and is ideal for street performance, providing a choppy/thumping idle. The kit comes ready to install with bolts and lock plates.

Fitment

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Specifications

BrandCOMP Cams
Part NumberC007 GK11-600-4

Videos

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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