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Cometic MLS cylinder head gasket for the GM L18 Vortec 8100 Gen‑VII Big Block V8, .070in compressed thickness with a 4.280in bore for the left side. It combines embossed stainless steel layers with Viton-coated outer surfaces for durable sealing under harsh conditions. The central uncoated shim allows tailored thickness while the MLS architecture evens load distribution, reduces clamp requirements, and performs across aluminum-to-iron or aluminum-to-aluminum interfaces.
Cometic GM L18 Vortec 8100 Gen-VII Big Block V8 .070in MLS Cylinder Head Gasket - 4.280in Bore - LHS
