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The Cometic fiber intake manifold gasket set for Chevrolet Mark‑IV Big Block V8 (.188 in) is built from AFM material—nitrile synthetic rubber bonded to an aluminum core—offering high temperature resistance and fluid durability. AFM yields strong torque retention with significant recovery and does not require sealants or re-torque. This asbestos-free option resists harsh sealing environments and provides dependable sealing across varied flange surfaces.
Cometic Chevy Mark-IV Big Block V8 .188in Fiber Intake Mani Gasket Set
