Used billet aluminum .420" 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. Outside diameter of blower pulley spacer is 3.425".
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.
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