Cometic Oldsmobile 400/455 Gen-2 Rocket V8 .031in Fiber Intake Manifold Gasket Set - C5813-031

The Cometic Oldsmobile 400/455 Gen-2 Rocket V8 .031in Fiber Intake Manifold Gasket Set - C5813-031 is a precision-engineered intake gasket with a compressed thickness of .031".

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.

• Material: Fiber
• Thickness: .031" compressed
• Part Number: C5813-031

Verified fitment: Buick Electra (1975–1976); Buick Estate Wagon (1975–1976); Buick LeSabre (1975–1976); Buick Riviera (1975–1976); Oldsmobile 442 (1965–1971); Oldsmobile 88 (1968–1976); Oldsmobile 98 (1968–1976); Oldsmobile Custom Cruiser (1971–1976); and 7 more.