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The Cometic Pontiac V8 .060in Fiber Intake Manifold Gasket Set - 1.141in x 2.063in Rectangle Port - C5778-060 is a precision-engineered intake gasket with a compressed thickness of .060".
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 LeSabre (1975); Oldsmobile 88 (1975); Oldsmobile 98 (1975); Oldsmobile Custom Cruiser (1975); Pontiac Bonneville (1967–1978); Pontiac Catalina (1967–1978); Pontiac Executive (1967–1970); Pontiac Firebird (1967–1979); and 8 more.
Free U.S. standard shipping on qualifying orders $199+. Special order and made-to-order items can't be cancelled or refunded once ordered.
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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