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ARP water pump pulley stud kit supplies 5/16-24 x 3.750 inch black 12-point studs with a 2.500 inch fan spacer to establish correct fan clearance. These components match the described thread, length and spacer specification for direct replacement, delivering the required spacing and clamping to restore pulley alignment while simplifying service reassembly.
ARP 5/16-24 X 3.750 black 12pt water pump pulley w/ 2.500in fan spacer stud kit
