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Cometic intake manifold gasket set for Chevrolet Mark‑IV / GM Gen‑V/VI Big Block V8, .188" fiber construction with 1.754" x 2.505" rectangular ports. This thicker gasket option helps accommodate larger deck or manifold step differences while providing a consistent intake seal. Engineered to meet or exceed OEM quality, it offers strong sealability across varied flange conditions for restoration and performance builds.
Cometic Chevy Mark-IV Big Block V8 .188in Fiber Intake Mani Gasket Set-1.754in x 2.505in Rec. Port
