Cometic Chevrolet Mark-IV Big Block V8 .188in Rubber Valve Cover Gasket - C5975

The Cometic Chevrolet Mark-IV Big Block V8 .188in Rubber Valve Cover Gasket - C5975 is a precision-engineered valve cover gasket with a compressed thickness of .188".

Cometic Rubber valve cover gaskets replace the failure-prone OEM cork or foam gaskets with a durable, performance-grade seal. Featuring Rubber construction, this gasket uses a flexible elastomeric compound engineered for leak-free sealing in low-pressure applications. These gaskets resist oil leaks under sustained high engine temperatures and are designed for repeated removal and reinstallation without loss of sealing performance.

• Material: Rubber
• Thickness: .188" compressed
• Part Number: C5975

Verified fitment: Chevrolet Bel Air (1965–1975); Chevrolet Biscayne (1965–1972); Chevrolet Blazer (1973–1974); Chevrolet Brookwood (1969–1972); Chevrolet C10 (1968–1980); Chevrolet C10 Suburban (1968–1980); Chevrolet C20 (1968–1986); Chevrolet C20 Suburban (1968–1986); and 47 more.