The ARP stainless steel water pump pulley stud kit includes 5/16-24 x 2.500 in hex studs with an integrated 1.250 in fan spacer, supplied as a hardware kit for pulley and fan spacing applications. Offered for use where replacement studs and a defined spacer are needed, this kit provides specified hex-head studs and the stated spacer length to restore pulley-to-fan alignment during service.
ARP 5/16-24 X 2.500 SS Hex Water Pump Pulley w/ 1.250in Fan Spacer Stud Kit