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The Cometic Oldsmobile 400/455 Gen-2 Rocket V8 .012in Fiber Intake Mani Gasket Set - C5813-012 is a precision-engineered intake gasket with a compressed thickness of .012".
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: 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.
Free Canadian shipping on qualifying orders $399+, with no duties or brokerage. Special order and made-to-order items can't be cancelled or refunded once ordered. Oversized items may carry a handling fee depending on your location; pickup in Mississauga has no fee.
We carry 750,000+ parts, so we can probably still get it. Check the spelling, try the part number, or ask us.
Request this part Text us (833) 691-5717