8mm GT center flange blower pulley 3.50" wide hard anodized. 2.00" register bore, six .375" mounting holes on a 2.782" bolt circle. Fits all center flange crank hubs and is designed to be used with 4-71 thru 18-71 roots and screw superchargers. Pulley can be used with 75mm or 84mm blower belts.
Racer can pick pulley size from drop down menu.