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Cometic MLS cylinder head gasket for Chevrolet Mark-IV big-block V8 engines, sized for a 4.320 in bore with .036 in compressed thickness. Built from multiple embossed stainless steel layers with Viton-coated outer surfaces, this gasket is made to seal high-output engines without sealants, accommodate dissimilar head/block pairings, resist corrosion and rebound under load while minimizing bore distortion.
Cometic Chevy BB Gen IV 396/402/427/454 H/G 4.320 inch Bore .036 inch MLS Head Gasket
