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The Cometic MLS head gasket for GM LS1/LS2/LS3/LS6 Gen‑3/4 small‑block V8 engines (4.130" bore, 0.070" compressed thickness) features multiple embossed stainless steel layers with Viton‑coated outer faces for sealant‑free sealing of high‑output engines. It fits aluminum heads to aluminum or cast‑iron blocks and withstands shearing between materials. An uncoated stainless center shim allows thickness control while embossed layers help conform load distribution and reduce bore distortion.
Cometic GM LS1 SB 4.130 inch Bore .070 inch MLS-5 Head Gasket
