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This Cometic MLS head gasket is specified for Chevrolet Mark-IV big block V8 engines with a 4.320 in bore and a compressed thickness of 0.030 in. It uses multiple embossed stainless steel layers with Viton-coated outer faces to meet demanding sealing environments and surface conditions. The MLS construction is intended to provide reliable sealing for aluminum or iron block/head combinations without the need for sealants.
Cometic Chevy BB Gen IV 396/402/427/454 H/G 4.320 inch Bore .030 inch MLS Head Gasket
