SKU: SKU: CGSC5649-188
The Cometic Chevy Mark-IV Big Block V8 .188in Fiber Intake Mani Gasket Set-1.754in x 2.505in Rec. Port - C5649-188 is a precision-engineered intake gasket with a compressed thickness of .188".
Cometic Fiber intake gaskets provide a leak-proof seal between the intake manifold and cylinder head. Featuring Fiber construction, this gasket uses a high-performance composite material with excellent sealability across a range of surface finishes and clamp loads. A proper intake seal is critical for maintaining correct air-fuel mixture, vacuum, and coolant routing — making these gaskets essential for any engine build or intake upgrade.
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 C1500 (1990); Chevrolet C20 (1968–1986); and 58 more.