Pulley is made from billet aluminum and is hard anodized for wear resistance. Teeth are GT profile. Fits 4-71 thru 18-71 roots and screw superchargers.
Pulley rubbed a pump extension bolt at the back of the teeth, quick deburr, install on the crank hub and ready to go have some fun at the track. Pulley is 7.750" in diameter.
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.