These are the ultimate upgrade pulley for your factory supercharger designed to be used in conjunction with the ZPE MK II hub (uses ten titanium fasteners to secure the pulley to the hub). These are manufactured from 7075-T6 aluminum which is stronger and harder than 6061-T6. They are then equipped with the GripTec® micro machining technology to eliminate belt slip. This technology allows the maximum grip force to be applied to the pulley and belt without damaging your belt. You wont have to worry about belt slip with GripTec®. Get the maximum performance out of your supercharger.
GripTec® = Level V2 (Coated)
Hub: ZPE MKII (10 Bolt M5)
Ribs = 8
Color: Black
Finish: Type III Anodized, Class 2, Hard Coat