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.

Pulley bolt 1" long
Oil Slinger bearings- fits ProCharger
JB Performance replacement Powerdyne Supercharger billet impeller fits BD11, BD11a, BD12, BD10
Input shaft bearing kit, pulley side- fits Pro Charger F1 and F2 series. 