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Cometic MLS cylinder head gasket for Chevrolet Gen-I small block V8, 4.165" bore, .040" thickness, for 18/23 degree heads without steam holes. Using HP shim technology and layered AMP-coated and uncoated stainless steel construction, it enhances clamp load around the combustion chamber to improve sealing on open-deck blocks. Embossed Viton-coated outer layers conform to flange imperfections while reducing required clamp load and bore distortion.
Cometic Chevy Gen-I Small Block V8 .040in MLS Cylinder Head Gasket - 4.165in Bores
