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.

JB Performance replacement impeller CW fits Novi 1200, 1200SL, 1220, 1220SL, V1, V2, V3 S or SC trim
Input shaft front bearings Novi 1000, Novi 2000
Volute strap clamping bolt 