Pulley is hard anodized for wear resistance. Teeth are HTD profile. Fits 4-71 thru 18-71 roots and screw superchargers.
Buyer can double click on any of the pictures to blow up and make sure this pulley is what you are thinking it is before purchasing. Pulley is in excellent condition.
If you are wondering do you have clearance for this big bowl, it is 8.750" in diameter or or 4.375" from center of crank to outer edge of blower pulley teeth.
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.