Pro Copper Head Gasket - 4.060" Bore, .032" Thick Product Option:Pro Copper Head Gasket - 4.060" Bore, .032" Thick 2 x AN -8 inlet

2 x AN -8 inlet ports

These new valve covers are taller than stock valve covers

open spring pressure

Z345-251-03

90B-510346

Pro Copper Head Gasket - 4.060" Bore, .032" Thick Product Option:Pro Copper Head Gasket - 4.060" Bore, .032" Thick 2 x AN -8 inletPro Copper Head Gaskets Not all solid copper gaskets are created equal. SCE uses premium 99% pure copper sheets rolled to our specifications (choice of 12 different thicknesses) and tested for uniform flatness to assure precise cylinder head to block alignment and eliminate uneven loading. After processing, each gasket is annealed to ensure optimum mating and provide measurable gains in cylinder sealing, as evidenced by lower leak down percentages. O