8mm GT PSI blower pulley 3.875" wide hard anodized. 1.250" register bore, six .250" mounting holes with six heat treated ground dowel pins. Fits PSI screw supercharger snouts.
32 GT is made from 7075 alum. making the cost higher. Picture 7, 8, 9 is part #1705-0032 which is also 3.875" wide for 84mm blower belts.
Racer can choose pulley size from drop down menu.
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