What kind of idle can I expect with this camshaft?

This COMP Cams Thumpr camshaft is specifically designed to produce a choppy and thumping idle sound. This is a signature characteristic that many performance enthusiasts look for in a camshaft upgrade.

What supporting modifications are recommended for this camshaft?

While this camshaft can function with a stock torque converter, COMP Cams recommends using a torque converter with a 2000+ RPM stall speed and appropriate rear-end gearing. This pairing will help maximize the camshaft's performance potential.

Is this camshaft legal for use in California?

No, this camshaft is not CARB approved and cannot be shipped to California due to emissions regulations.

COMP Cams Thumper Camshaft CBVI 283Th R7 01-600-8

Name: COMP Cams Camshaft CBVI 283Th R7 Thumper
Brand: COMP Cams
SKU: comp-cams-comp-cams-camshaft-cbvi-283th-r7-thumper-t14-4389633
Price: 610.12 USD
Availability: BackOrder

COMP Cams Camshaft CBVI 283Th R7 Thumper

$610.12

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 Thumper hydraulic roller camshaft for 1996-2000 Chevrolet/GMC Big Block Gen VI. Choppy idle, high performance street.

Key Features

Fits 1996-2000 Chevrolet and GMC Big Block Gen VI vehicles.
Hydraulic roller camshaft design for improved performance and durability.
Features a 227 intake and 241 exhaust duration for a choppy, thumping idle.
Suitable for high-performance street applications.
Works with stock torque converters, but best results with 2000+ RPM stall converters and appropriate gearing.
Not CARB approved; cannot ship to California.

⚠️ 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

If you're looking to give your Chevrolet or GMC Big Block Gen VI engine a serious performance upgrade with a distinctive, choppy idle, this COMP Cams Thumpr camshaft is a solid choice. Designed for high-performance street applications, this camshaft aims to change the character of your engine's sound and power delivery. It's built to work with a variety of Chevrolet and GMC trucks and vans from the mid-to-late 90s, including models like the C2500 Suburban and K3500.

This hydraulic roller camshaft features a 227 intake and 241 exhaust duration, which contributes to its aggressive, thumping idle that many enthusiasts seek. While it can work with a stock torque converter, COMP Cams recommends a 2000+ RPM stall converter and appropriate gearing to really unlock its potential. This pairing will help ensure the engine stays in its power band more effectively, especially during acceleration and when carrying loads. The camshaft is constructed with durable materials to withstand the demands of performance driving.

When installing this camshaft, it's important to note that it's not CARB approved and cannot be shipped to California. For optimal performance and longevity, consider consulting the manufacturer's installation guide or a professional mechanic to ensure all supporting components, such as valve springs and lifters, are compatible and properly set up. This camshaft is a significant upgrade for those wanting a noticeable change in their Big Block's personality.