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This ARP stainless-steel stud kit includes a 5/16-24 x 4.500 inch hex stud with a 3.250 inch fan spacer, specified for water pump pulley assemblies. Supplied as a stud-and-spacer kit, it’s intended to secure the pulley and set fan clearance where these dimensions apply. Confirm stud length and spacer diameter against your pump and pulley before ordering to ensure correct fitment.
ARP 5/16-24 X 4.500 SS Hex Water Pump Pulley w/ 3.250in Fan Spacer Stud Kit
