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Cometic MLX head gasket for GM LT1/LT4 Gen-V small block V8s (4.200" bore, .040" thickness) uses HP shim technology to increase clampload around the combustion chamber and improve sealability on open-deck blocks. The MLX design includes an integrated stopper layer for combustion sealing and embossed outer layers coated with Viton to support reliable sealing under demanding conditions.
Cometic 17-18 GM LT1/LT4 Gen-V Small Block V8 4.200in Bore .040in MLX Cylinder Head Gasket
