
Cometic MLS cylinder head gasket for the GM L18 Vortec 8100 Gen‑VII Big Block V8, .045in compressed thickness with a 4.280in bore for the left side. Multiple embossed stainless steel layers form the core, with Viton-coated outer layers for heat and chemical resistance. The uncoated center shim permits thickness variation, while MLS design improves sealing, reduces required clamp load, and eliminates the need for sealants.
Cometic GM L18 Vortec 8100 Gen-VII Big Block V8 .045in MLS Cylinder Head Gasket - 4.280in Bore - LHS