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The ARP Water Pump Pulley Stud Kit is a black hex stud kit sized 5/16-24 x 3.500 and includes a 2.250-inch fan spacer to secure a water pump pulley and spacer assembly. It provides the exact thread and stud length for engines requiring this specification, aiding pulley reinstallation during maintenance and helping preserve correct fan spacing when replacing associated hardware.
ARP 5/16-24 X 3.500 Black Hex Water Pump Pulley w/ 2.250in Fan Spacer Stud Kit
