This ARP water pump pulley stud kit includes 5/16-24 x 2.750 black hex studs paired with a 1.500 in fan spacer, provided as a hardware set for water pump pulley and fan spacer installation. It’s intended for replacing or refreshing pulley fasteners during engine service. Confirm thread size and spacer length for compatibility with your pulley and fan assembly before installation.
ARP 5/16-24 X 2.750 Black Hex Water Pump Pulley w/ 1.500in Fan Spacer Stud Kit