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Cometic MLS cylinder head gasket for Chevrolet Gen-I small block V8, 4.200" bore, .040" thickness, suited to 18/23 degree heads without steam holes. The HP shim design raises clamp load near the combustion chamber for improved sealing on open-deck blocks. Multiple embossed AMP-coated and uncoated stainless steel layers with Viton-coated outer faces provide corrosion resistance, rebound capability, and dependable sealing without sealants.
Cometic Chevy Gen-I Small Block V8 .040in MLS Cylinder Head Gasket - 4.200in Bores
