
Cometic MLS-5 head gasket for Chevrolet Gen-1 small-block V8 with a 4.165-inch round bore, .075-inch compressed thickness, and all steam holes provided. The multi-layer stainless-steel construction uses embossed outer layers coated with Viton and an uncoated shim to accommodate thickness. MLS gaskets require no sealants, handle dissimilar material shearing, resist corrosion, maintain torque set, and distribute load to reduce bore distortion while accommodating steam hole layouts.
Cometic Chevy Small Block 4.165 inch Bore .075 inch MLS-5 Head Gasket (w/All Steam Holes)