Engines and Components› Engines, Blocks and Components

Proform

High Performance Gear Drive: Chevy Big Block

$174.73

SKU: P022 66918C

In Stock
In Stock
Ships by Jun 7
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Professional / shop required

Description

The Proform 66918C is a hi-performance engine timing gear drive designed for Big Block Chevy engines. This under-cover model offers high-precision timing and eliminates chain stretch. It is machined for noise reduction and easy installation, fitting under stock timing covers.

The kit includes a locking plate, offset cam bushings, roller cam bearing, and a bronze thrust bearing. It is sold as a complete kit for retail display.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

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

Available on iOS & Android

Specifications

BrandProform
Part NumberP022 66918C

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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