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The Cometic MLS head gasket for Chevrolet ZL1 Mark-IV Big Block V8 (4.300" bore, nominal .030") features embossed stainless steel outer layers coated with Viton for high-temperature sealing. Multi-layer steel construction provides rebound and corrosion resistance, making it suitable for mixed metal head/block pairings without additional sealants. The center shim is uncoated stainless steel and can be varied to meet specific thickness and sealing needs.
Cometic Chevrolet ZL1 Mark-IV Big Block V8 .030in MLS Cylinder Head Gasket - 4.300in Bore
