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Cometic MLS cylinder head gasket for the GM L18 Vortec 8100 Gen‑VII Big Block V8, .120in compressed thickness with a 4.280in bore for the left side. Multiple embossed stainless steel layers form the gasket with Viton-coated outer layers for heat and chemical resistance. The uncoated center shim lets the gasket accommodate thickness needs while the MLS build helps distribute sealing load, resist corrosion, and avoid the need for additional sealants.
Cometic GM L18 Vortec 8100 Gen-VII Big Block V8 .120in MLS Cylinder Head Gasket - 4.280in Bore - LHS
