
The Cometic MLS head gasket for GM LS1/LS2/LS3/LS6 Gen‑3/4 small‑block V8 engines (4.130" bore, 0.075" compressed thickness) combines embossed stainless steel layers and Viton‑coated outer faces to provide sealant‑free sealing for high‑output applications. It supports aluminum heads on aluminum or cast‑iron blocks and resists shear between dissimilar materials. The uncoated stainless center shim manages thickness while embossed layers distribute load, lower clamp requirements and limit bore distortion.
Cometic GM LS1 SB 4.130 inch Bore .075 inch MLS-5 Head Gasket