COMP Cams Nitrided Camshaft CS 278Xo-6

COMP Cams is well-known for making performance engine parts, and this Nitrided Camshaft CS 278Xo-6 is a solid choice for anyone looking to get more out of their Chevrolet Small Block engine. This camshaft is designed for oval track use and features a solid flat tappet design, meaning it requires a specific valvetrain setup and is built for durability under demanding conditions. It's intended for engines with 327 to 358 cubic inches, 11:1 or higher compression, and works well with a 2-barrel carburetor provided you have good intake and exhaust flow.

The nitriding process used on this camshaft adds a hard surface layer, which helps reduce wear on the cam lobes and lifters, especially important with flat tappet designs. This camshaft has a duration of 248 degrees on the intake and 250 degrees on the exhaust, with a 106-degree lobe separation angle. This combination is tuned for a broad powerband suitable for racing applications. It fits a wide range of Chevrolet GEN 1 Small Blocks, including popular engines like the 350 and 400 cubic inch variants, but it's crucial to confirm your engine uses a flat tappet valvetrain and not a factory roller setup, especially on models from 1985 and newer.

When installing this camshaft, remember that it's designed for engines with tight tolerances, typically 1/4 to 3/8 inch clearances. If you're working on a 1955-1957 Chevrolet 265 engine, ensure it has the necessary oiling groove on the fifth cam journal. This camshaft is not CARB approved and cannot be shipped to California.