
Cometic fiber valve cover gasket for Chevrolet Mark‑IV Big Block V8, .188in thickness, specified to fit Brodix Big Brodie heads. Constructed from Cometic Aramid Fiber with a fully cured nitrile butadiene binder, this gasket provides high‑temperature, creep‑resistant sealing without re‑torqueing. The material is asbestos‑free, fuel resistant and designed to withstand heavy use while resisting common failure modes.
Cometic Chevrolet Mark-IV Big Block V8 .188in Fiber Valve Cover Gasket - Fits Brodix Big Brodie Head