ARP water pump pulley stud kit includes 5/16-24 x 1.500 inch black 12-point studs supplied with a .250 inch fan spacer for defined pulley clearance. This kit offers the specified thread size, length and spacer to reproduce proper fan spacing and pulley clamping, delivering a direct-replacement solution that eases reassembly and service.
ARP 5/16-24 X 1.500 black 12pt water pump pulley w/ .250in fan spacer stud kit