
The Cometic molded rubber valve cover gasket for Chevrolet Gen‑1 small block V8 (18/23 degree heads) features a steel torque-limiting frame wrapped by soft durometer rubber. Engineered to resist blowing out, over-tightening and high vacuum, this gasket provides durable sealing and reusability compared with cork or paper designs and suits performance and rebuild applications.
Cometic GM Small Block 18/23 Degree V8 NBR Steel Spline Valve Cover Gasket