Pulley uses four .250" bolts on a 1.20" bolt circle with a .700" register to attach to the blower hub. This pulley is perfect for the person that wants to have a few different drive ratios for mild to maximum performance.
Pulley is in excellent condition and looks to be never run but bolted on.
Note: This is a used item. This item might have been taken in on a trade. RBS may have inspected this item and deemed re-usable. There is no warranty expressed or implied with this item.