This ARP stainless-steel stud kit includes a 5/16-24 x 4.250 inch hex stud with a 3.000 inch fan spacer, specified for water pump pulley assemblies. Supplied as a stud-and-spacer kit, it’s intended to secure the pulley and maintain fan clearance where these dimensions match the application. Confirm the stud length and spacer size against your water pump pulley before ordering to ensure compatibility.
ARP 5/16-24 X 4.250 SS Hex Water Pump Pulley w/ 3.000in Fan Spacer Stud Kit