Wheel Spacer 1/4" 5/16" 4-lug 240Z 260Z 280Z 280ZX 510

New 1/4 inch (6mm) or 5/16" (8mm) thick aluminum wheel spacer.  These will fit all of the Datsun 4-lug cars including 240Z, 260Z, 280Z, 280ZX and 510.  The the billet singles are front and rear specific due to the different center bores.  The universals have a 71mm center bore.