COMP Cams Camshaft CS 47S 290Xo-6

This COMP Cams CS 47S 290Xo-6 camshaft is a solid flat tappet grind designed for Chevrolet Small Block engines. It's built for builds with 360+ cubic inches, 12:1 or higher compression, and a 4-barrel carburetor with good intake and exhaust systems. This camshaft is a popular choice for oval track racing and other performance applications where a 4/7 swap is beneficial for improved exhaust scavenging and piston clearance.

The 260/266 degree duration at 0.050 inch lift rating indicates a fairly aggressive profile, suitable for engines that will see higher RPM operation. COMP Cams is known for well-built valvetrain components, and this camshaft is no exception, offering a solid option for those looking to extract more power from their modified Small Block Chevy. Remember that this camshaft is designed for engines with flat tappet lifters; if your engine was originally equipped with a factory roller camshaft (typically 1985 and newer), you will need to confirm your block's compatibility before installation.

It's important to note that this camshaft is not CARB approved and cannot be shipped to California. Also, 1955-1957 Chevrolet engines require a specific oiling groove on the rear journal, which this particular part number does not have. If your engine falls into that category or is a factory roller, please contact us for assistance in finding the correct camshaft.