What engines does this COMP Cams camshaft fit?

This camshaft is designed for Chevrolet Gen 1 Small Block engines, including displacements like 262, 265, 283, 302, 305, 307, 327, 350, and 400. It is not compatible with LT1/LT4, factory roller blocks from 1985 and newer, or any LS-based engines.

Does this camshaft fit early 1955-1957 Chevrolet engines?

For 1955-1957 Chevrolet 265 engines, a specific oiling groove is required on the rear cam journal. This particular part number, 12-523-5, does not include that groove. You will need to contact COMP Cams directly for assistance with a camshaft that has this feature.

What other parts might I need when installing this camshaft?

When installing a new camshaft, it's recommended to also replace valve springs, pushrods, and lifters to ensure proper operation and longevity. Always refer to the manufacturer's installation instructions for a complete list of recommended components and procedures.

COMP Cams Camshaft CS 6350/6351 S6 12-523-5

Name: COMP Cams Camshaft CS 6350/6351 S6
Brand: COMP Cams
Price: 378.83 USD
Availability: InStock

COMP Cams Camshaft CS 6350/6351 S6

$378.83

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 CS 6350/6351 S6 camshaft for Chevrolet Small Block Gen 1 engines. Offers improved performance for oval track applications.

Key Features

Fits Chevrolet Gen 1 Small Block engines.
Low lift oval track camshaft with 242 intake and 250 exhaust duration at .050 lift.
Solid flat tappet design for robust performance.
Compatible with many Chevrolet V8 displacements including 350, 327, and 400.
Not for factory roller blocks from 1985 and newer or LS-based engines.
Requires specific oiling groove for 1955-1957 Chevrolet 265 engines.

⚠️ 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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Product Details

This is the COMP Cams CS 6350/6351 S6 camshaft, a solid flat tappet camshaft designed for Chevrolet Small Block Gen 1 engines. It's built for oval track racing, offering an updated profile with a 242-degree intake and 250-degree exhaust duration at .050 lift. This camshaft is a popular choice for builders looking to get more out of their classic Chevy V8s.

This camshaft fits a wide range of Chevrolet Small Block engines, including popular displacements like the 350, 327, and 400 cubic inch V8s. It's important to note that this camshaft is not compatible with factory roller camshaft blocks from 1985 and newer, nor is it for LS-based engines. For 1955-1957 models, a specific oiling groove is required on the rear journal, and this particular part number does not include it. Always confirm your engine's configuration before ordering.

When installing this camshaft, ensure you have the correct valve springs and pushrods to match its specifications. It's a well-built component that can make a notable difference in your engine's powerband, especially in demanding oval track conditions.