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.

Powerdyne impeller ship BD10, BD550 Triangle shape
Front Rotor Seals
Bypass valve vacuum actuator 114 VA788
Head unit rebuild kit B&M Weiand Holley G1
Rear rotor plate G1 and G2 Built
JB Performance impeller seal 