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Cometic intake manifold gasket set for Chevrolet Mark‑IV / GM Gen‑V/VI Big Block V8, .047" fiber construction with 1.754" x 2.505" rectangular ports. The gaskets seal the intake manifold to the head while accommodating flange imperfections and maintaining port shape. Manufactured to meet or exceed OEM quality, they deliver dependable sealing performance for rebuilds, track use, and high‑output street engines.
Cometic Chevy Mark-IV Big Block V8 .047in Fiber Intake Mani Gasket Set-1.754in x 2.505in Rec. Port
