What type of valvetrain is required for this camshaft?

This COMP Cams camshaft is a solid roller type, which means it requires a compatible solid roller lifter set and the associated valvetrain components. You cannot use this camshaft with stock flat tappet lifters.

What is the intended use for this camshaft?

This camshaft is specifically designed for drag racing and pro street applications. Its specifications are optimized for high-RPM power output and aggressive acceleration in larger displacement engines.

Does this camshaft come with all necessary installation hardware?

This product listing is for the camshaft only. Installation of a solid roller camshaft typically requires a complete roller valvetrain, including lifters, pushrods, and possibly upgraded valve springs and retainers. Always consult the manufacturer's instructions for a complete list of required components.

COMP Cams Solid Roller Camshaft CB 324D-R12 | 11-727-9

Name: COMP Cams Camshaft CB 324D-R12
Brand: COMP Cams
Price: 542.96 USD
Availability: InStock

COMP Cams Camshaft CB 324D-R12

$542.96

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COMP Cams CB 324D-R12 solid roller camshaft for Chevrolet Big Block 396-454 engines. Designed for drag racing and pro street applications.

Key Features

Fits Chevrolet Big Block 396-454 engines.
Solid roller camshaft design for high-RPM performance.
Intake duration at .050 lift is 284 degrees; exhaust duration is 300 degrees.
Suitable for 550-600 cubic inch engines.
Works with Pontiac heads and nitrous oxide systems.
Designed for drag race and pro street applications.

⚠️ 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

This COMP Cams CB 324D-R12 camshaft features a 284-degree intake and 300-degree exhaust duration at .050 lift, utilizing a solid roller design. It’s specifically intended for Chevrolet Big Block engines ranging from 396 to 454 cubic inches, particularly those built for drag racing or pro street use, and is suitable for engines between 550-600 cubic inches. This camshaft is also compatible with Pontiac heads and can be used with nitrous oxide systems, offering a significant performance upgrade for your build.

The solid roller design means this camshaft requires roller lifters and a compatible valvetrain setup, which is a key consideration for installation. Its aggressive ramp rates and duration are optimized for high-RPM power, making it a strong choice for vehicles aiming for maximum acceleration and top-end speed. This camshaft is designed to work with engines originally equipped with flat tappet camshafts, but a full roller valvetrain upgrade is necessary for proper function and longevity.

This camshaft fits a wide range of Chevrolet vehicles, including popular models like the 1967-1975 Chevrolet Bel Air, 1967-1972 Chevrolet Chevelle, and 1967-1974 Chevrolet Corvette. It is crucial to ensure your engine is set up to handle the demands of a solid roller camshaft, including proper oiling and valvetrain geometry. Always refer to the manufacturer's installation instructions for detailed guidance on setup and compatibility.