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Cometic Chevrolet Mark-IV GM Gen-V/VI Big Block V8 copper exhaust manifold gasket set (.043in) uses multi-layered stainless steel construction with Viton-coated outer layers for heat resistance and corrosion protection. The design resists burn-through and push-out, maintains torque, requires no sealants and is intended for extreme cylinder pressures, offering durable sealing between manifold and head under demanding conditions.
Cometic Chevrolet Mark-IV GM Gen-V/VI Big Block V8 .043in Copper Exhaust Manifold Gasket Set
