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ARP water pump pulley stud kit includes 5/16-24 x 3.500 inch black 12-point studs with a 2.250 inch fan spacer for defined pulley spacing. The kit reproduces the specified thread and spacer dimensions for direct replacement where that length is needed, helping maintain correct clearance and easing reinstallation during maintenance.
ARP 5/16-24 X 3.500 black 12pt water pump pulley w/ 2.250in fan spacer stud kit
