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Cometic MLS cylinder head gasket for Chevrolet Gen‑1 Small Block V8, .066in thickness, 4.125in bore, 18/23° head with steam holes and round bore. The multi‑layer stainless construction uses embossed outer layers and a center shim to manage thickness requirements. MLS gaskets provide durable sealing without sealants, resist shear between different materials and help distribute clamp load to minimize bore distortion.
Cometic Chevy Gen1 Small Block V8 .066in MLS Cylinder Head Gasket - 4.125in Bore - 18/23 Degree Head
