The Cometic GM .031in Fiber Distributor Gasket - C5531-031 is a precision-engineered head gasket with a compressed thickness of .031".
The Cometic Fiber head gasket is engineered for high-performance and racing applications where OEM gaskets fall short. Featuring Fiber construction, this gasket uses a high-performance composite material with excellent sealability across a range of surface finishes and clamp loads. Precision CNC-machined to exacting tolerances, this gasket seals combustion, water jackets, and oil passages simultaneously — eliminating the need for multiple gaskets or sealing compounds.
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Material: Fiber
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Thickness: .031" compressed
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Part Number: C5531-031
Verified fitment: Buick Century (1977–1981); Buick LeSabre (1978, 1982); Buick Regal (1977–1981, 1986); Buick Skylark (1977–1979); Chevrolet Bel Air (1955–1975); Chevrolet Biscayne (1958–1972); Chevrolet Blazer (1969–1974); Chevrolet Brookwood (1958–1961, 1969–1972); and 76 more.
