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ARP water pump pulley stud kit, 5/16‑24 x 1.750 stainless steel 12‑point studs with a .500 inch fan spacer. The kit pairs the listed stud length with a .500in spacer to set fan clearance while securing the water pump pulley. It’s supplied as a matched hardware package for installations that require that specific stud and spacer combination.
ARP 5/16-24 X 1.750 SS 12pt water pump pulley w/ .500in fan spacer stud kit
