Cometic MLS head gasket for GM LS Gen‑III/IV small block V8s (.051" thickness, 4.030" bore) uses embossed outer layers and a central uncoated stainless shim to improve clamp load distribution around the combustion chamber. The design reduces required clamp load to limit bore distortion and features AMP coating and Viton‑coated outer layers to meet varied sealing and surface finish demands in high‑stress environments.
Cometic GM LS1/LS2/LS3/LS6 Gen-III/IV Small Block V8 .051in MLS Cylinder Head Gasket 4.030in Bore