This ARP water pump pulley stud kit includes 5/16-24 x 2.250-inch stainless steel 12-point studs and a 1.000-inch fan spacer in a complete stud kit configuration. The hex-style 12-point head studs are intended for secure mounting of water pump pulleys and fan spacers where stainless hardware is preferred. Supplied as a matched kit for straightforward pulley and spacer installation.
ARP 5/16-24 x 2.250 SS 12pt Water Pump Pulley w/1.000in Fan Spacer Stud Kit