COMP Cams Camshaft CS 293Tkn-R8 .900Bc

This is the COMP Cams CS 293Tkn-R8 .900Bc solid roller camshaft, designed for Chevrolet Small Block engines. It's built for oval track applications and is optimized for larger displacement engines, typically 415-430 cubic inches, when paired with good cylinder heads and an open carburetor setup. This camshaft is a significant upgrade for performance builds looking to maximize power output.

The CS 293Tkn-R8 features a 265 degrees intake and 274 degrees exhaust duration at .050 lift, with a .900 inch lift solid roller design. This aggressive profile is intended for racing or high-performance street use where maximum airflow and valve lift are critical. It's important to note that this camshaft is specifically optimized for use with a Melanized or Nitrided distributor gear. Using cast iron or steel gears without these surface treatments can lead to premature wear and will void the warranty.

This camshaft fits a wide range of Chevrolet Gen 1 Small Blocks, including popular displacements like the 283, 305, 327, 350, and 400 cubic inch engines. However, it's crucial to verify your specific engine's configuration. It does not fit factory roller camshaft blocks from 1985 and newer, nor does it fit LT1/LT4 or any LS-based engines. For 1955-1957 models, confirm if your block requires an oiling groove on the rear journal; if so, a different camshaft is needed. Always refer to the manufacturer's installation instructions for proper setup and compatibility checks.