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ARP water pump pulley stud kit supplies 5/16-24 x 4.250 inch black 12-point studs with a 3.000 inch fan spacer to provide the required pulley-to-fan clearance. The kit matches the stated thread, length and spacer dimensions for direct replacement, helping restore correct alignment and clamping while easing pulleys' reinstallation during routine service.
ARP 5/16-24 X 4.250 black 12pt water pump pulley w/ 3.000in fan spacer stud kit
