The Cometic fiber valve cover set for Chevrolet Gen IV/V/VI (.188") offers improved sealing over cork or paper designs and is engineered to meet or exceed OEM fitment. These valve cover gaskets use a fully cured nitrile butadiene binder for fluid resistance and include a steel torque‑limiting frame to prevent over‑tightening and improve reusability, making them suitable for engines that see elevated vacuum and thermal stresses.
Cometic Chevrolet Gen IV/V/VI .188in Fiber Valve Cover Set