
The Cometic MLS head gasket for GM L18 Vortec 8100 Gen‑VII big block V8 (4.280" bore, .060" compressed thickness) is a right‑hand gasket built from multiple embossed stainless steel layers with Viton coating on the outer faces. MLS construction allows sealing between aluminum and cast iron, resists corrosion and shear, rebounds under load and reduces clamp requirements while conforming load distribution across the sealing area.
Cometic GM/Mercury 8.1L 496ci 4.280in .060 inch MLS Head Gasket - RH