Description
OEM ProCharger replacement clockwise billet F1A trim style impeller with JB Performance billet cone and mounting bolt. The blades must curve in a clockwise pattern.
Direct Fit for the following ProCharger Superchargers:
- ProCharge F1A.
Comparisons:
F1A stock impeller:
- 1,575 CFM.
- 1,100 HP.
- 74,000 maximum RPM.
- Balanced by grinding, clipping, sanding, drilling.
- Weight: 18 ounces.

Extended drive consumable rebuild kit MP112, MP122, some MP90
Rear impeller seal
JB Performance billet impeller wheel CCW, Paxton Novi 1000 Supercharger
Volute/Paxton case clamp
Rear rotor plate G1 and G2
Pulley key
Hex head oil plug 