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The ARP hex stud kit is a hardware set for mounting a water pump pulley and fan spacer, specified as 5/16-24 x 2.000 hex studs with a 0.750 in fan spacer. The kit uses SS (stainless steel) hardware and is offered to secure the pulley and spacer assembly as described. Use this stud kit when the listed thread size, length, and spacer thickness are required for your pulley installation.
ARP 5/16-24 X 2.000 SS Hex Water Pump Pulley w/ .750in Fan Spacer Stud Kit
