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The Cometic GM LSX Gen-4 MLS head gasket is specified for a 4.185-inch bore with a .098-inch compressed thickness and is a right-side MLS-5 piece for 18-bolt heads. Constructed from multiple embossed stainless-steel layers with Viton-coated outer faces, this gasket is built to meet demanding sealing needs in high-output LSX applications and is specified to function without sealants.
Cometic GM LSX McLaren 4.185in Bore .098 inch MLS-5 Head Gasket - Right
