Clearance...when they're gone, they're gone! These precision welded fabricated aluminum valve covers are for the serious racer. No holes or baffles for a closed system. Two covers per box. They have recessed Bowtie and CHEVROLET Emblems, inlaid with classic Chevrolet red, billet mounting rails for maximum leak resistance, and weigh less than 4 lbs, 45% less than other materials! Get'em before they're gone because these are closeout items!