Used .600" billet aluminum blower pulley spacer, includes grade eight bolts and washers. 2.00" register bore, six .375" mounting holes on a 2.782" bolt circle. Fits 4-71 thru 18-71 roots and screw superchargers.
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.