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The Cometic MLS head gasket for GM LS1/LS2/LS3/LS6 Gen‑3/4 small‑block V8 engines (4.160" bore, 0.030" compressed thickness) uses embossed stainless steel layers with Viton‑coated outer faces to deliver sealant‑free sealing for high‑output engines. Suitable for aluminum heads on aluminum or cast‑iron blocks, it withstands shearing between dissimilar materials. The uncoated stainless center shim allows thickness variation while embossed layers distribute load and limit bore distortion.
Cometic GM LS1 SB 4.160 inch Bore .030 inch MLS Head Gasket
