The ARP water pump pulley stud kit contains 5/16-24 x 3.250-inch stainless steel hex studs together with a 2.000-inch fan spacer, provided as a kit for water pump pulley and fan mounting. It lists the stud length and spacer dimension for compatibility reference; confirm your pulley and fan spacing needs before ordering to ensure proper fitment.
ARP 5/16-24 X 3.250 SS Hex Water Pump Pulley w/ 2.000in Fan Spacer Stud Kit