What is the primary benefit of the Vernier sprocket in this kit?

The infinitely adjustable Vernier sprocket allows for extremely precise tuning of your camshaft timing. This level of accuracy is crucial for maximizing performance in high-RPM and high-compression engine builds.

How does the belt idler system improve performance?

The unique belt idler system is designed to reduce belt flap across the entire RPM range. This stability helps ensure consistent timing and prevents potential power loss or valve train instability.

What specific engine types does this belt drive system fit?

This Hi-Tech belt drive system is specifically designed for Chevrolet Small Block and Olds Rocket engines that use a 1.250-inch belt. It is not compatible with other engine families or belt widths.

COMP Cams Hi-Tech Xtreme Belt Drive 6507

Name: COMP Cams Belt Drive CS Hi-Tech Xtreme
Brand: COMP Cams
SKU: comp-cams-comp-cams-belt-drive-cs-hi-tech-xtreme-t14-4393262
Price: 1739.87 USD
Availability: BackOrder

COMP Cams Belt Drive CS Hi-Tech Xtreme

$1739.87

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

COMP Cams Hi-Tech Xtreme Timing Belt Kit. Includes adjustable Vernier sprocket and extreme application belt for high RPM durability.

Key Features

Fits 38+ vehicle make/model combinations including Chevrolet and Pontiac.
Infinitely adjustable Vernier sprocket for precise camshaft timing.
Includes a unique belt idler system to reduce flap throughout the RPM range.
Designed to absorb crankshaft harmonics, preventing valve train instability.
Features a unique camshaft thrust adjustment system without shims.
Utilizes double-lip seals for extended service life and maximum crankcase vacuum.

⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more

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Will this fit your vehicle?

Product Details

When you're building a serious street performance or race engine, you want a timing belt drive that can handle the demands. This COMP Cams Hi-Tech Xtreme Belt Drive system is designed for those high-RPM, high-compression builds. What you get in this kit is an infinitely adjustable Vernier sprocket, which lets you dial in your camshaft timing with absolute precision. It also includes a unique belt idler system that works to reduce belt flap, keeping things stable throughout the entire RPM range. This setup is built to absorb crankshaft harmonics, helping to prevent valve train instability that can rob you of power.

This particular kit is for Chevrolet Small Block and Olds Rocket engines using a 1.250-inch belt. It features a unique camshaft thrust adjustment system that doesn't require shims, making setup a bit more straightforward. Plus, it comes with double-lip seals to ensure long life and maintain maximum crankcase vacuum. This is a well-built system that fits a wide range of Chevrolet and Pontiac vehicles from the late 80s and early 90s, like the Camaro, Corvette, and Firebird, among many others.