What kind of idle can I expect with this camshaft?

This is a COMP Cams Thumpr camshaft, which is specifically designed to produce a rough and aggressive idle. This is a signature characteristic of the series and is often desired for performance applications.

What other modifications are recommended for this camshaft kit?

COMP Cams recommends a minimum of 9:1 compression, a 2500+ RPM stall speed torque converter for automatic transmissions, and supporting modifications such as an upgraded intake manifold, rear gears, and headers to achieve optimal performance.

Does this camshaft kit come with all the necessary parts for installation?

This is a camshaft kit, which typically includes the camshaft itself and other essential components for installation. It's always a good idea to consult the manufacturer's instructions to confirm all included parts and any additional items you might need.

COMP Cams Camshaft Kit CB 287T H-107 MT GK11-601-4

Name: COMP Cams Camshaft Kit CB 287T H-107 MT
Brand: COMP Cams
SKU: comp-cams-comp-cams-camshaft-kit-cb-287t-h-107-mt-t14-4396154
Price: 773.39 USD
Availability: BackOrder

COMP Cams Camshaft Kit CB 287T H-107 MT

$773.39

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 Camshaft Kit CB 287T H-107 MT

Key Features

Fits a wide range of Chevrolet Big Block 396-454 engines.
Thumpr camshaft series provides a rough, aggressive idle characteristic of performance builds.
Hydraulic flat tappet design with 235/249 degrees intake/exhaust duration.
Recommended for applications with 9:1 compression, 2500+ stall speed, and supporting modifications.
Designed for high-performance street and strip use.
Includes camshaft and necessary components for a complete installation.

⚠️ 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

Secure CheckoutFast Shipping631-982-0042

Will this fit your vehicle?

Product Details

If you're looking to build a high-performance street or strip machine with a Chevrolet Big Block engine, this COMP Cams Thumpr camshaft kit is designed to give you that aggressive, rough idle and improved powerband. This kit is specifically tuned for engines like the 396, 427, and 454, aiming for that classic muscle car sound and feel. It’s a popular choice for those who want their engine to sound as potent as it performs.

This kit includes the CB 287T hydraulic flat tappet camshaft, which has a 235/249 degree intake/exhaust duration. To really make this camshaft shine, COMP Cams recommends a minimum of 9:1 compression, a 2500+ RPM stall speed torque converter if you have an automatic transmission, and supporting modifications like an upgraded intake manifold, rear gears, and headers. The rough idle is a signature characteristic of the Thumpr series, letting everyone know you mean business. This kit is a solid option for a wide range of Chevrolet vehicles from the late 60s through the mid-70s, including popular models like the Chevelle, Camaro, and Impala, as well as trucks like the C10 and K10.

When installing this camshaft, remember that it's intended for performance applications and will have a noticeable idle. Ensure all supporting components are in good condition and ready to handle the increased performance. This kit is a significant upgrade for your engine's breathing and power delivery, so be prepared for a more aggressive driving experience.