Cometic Gasket · New
Cometic Chevy Mark-IV Big Block V8 .039in Fiber Intake Mani Gasket Set-1.754in x 2.505in Rec. Port
MPN C5649-039 · Store SKU cgsC5649-039
Supplier stock checked 11/7/2026, 4:21:57 PM UTC. Adding a part does not reserve it.
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Product details
AFM is a chemically blown, compounded nitrile synthetic rubber bonded to an aluminum core with temperature resistance of over 250°F. AFM material has an 85 percent recovery while maintaining strong torque retention. AFM does not require gasket sealers or re-torque. Chevrolet Mark-IV; GM Gen-V/VI Big Block V8 .039in. Fiber Intake Manifold Gasket Set; 1.750in. x 2.500in. Rectangular Port Chevrolet Mark-IV, GM Gen-V/VI Big Block V8 .039" Fiber Intake Manifold Gasket Set, 1.754" x 2.505" Rectangle Port Fully cured nitrile butadiene rubber binder for maximum fluid resistance Chevrolet Mark-IV, GM Gen-V/VI Big Block V8 Intake Manifold Gasket Set Chevrolet Mark-IV; GM Gen-V/VI Big Block V8 Intake Manifold Gasket Set
Manufacturer fitment & guides
Check C5649-039 against the manufacturer’s application information below.
Part-specific notes
- California Proposition 65: Y
