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The Cometic MLS cylinder head gasket for Chevrolet Mark‑IV Big Block V8 (4.630in bore, .051") is a multi-layer stainless steel gasket designed for modern high-output engines and requires no sealants. Its embossed outer layers are coated with Viton for heat resistance and corrosion protection, while an uncoated center shim layer allows thickness variation. MLS construction helps rebound and resist shearing between dissimilar head and block materials and evens load distribution.
Cometic Chevrolet Mark-IV Big Block V8 4.630in Bore .051 MLS Cylinder Head Gasket
