Description
JB Performance brings you quality, performance and reliability with our line of billet impeller wheels.
Exact fit improved JB Performance billet aluminum impeller is a direct fit replacement clockwise impeller wheel. JB Performance C2 billet wheels are professionally designed to replace cast OEM ASA Kompressor RG3 Superchargers style impellers. The blades must curve in a counter-clockwise pattern.
Our impellers are professionally designed by air flow engineers that already design turbo wheels. These wheels are professionally 5 axis machined and zero balanced on a CNC for a precise build quality. After machining, they are crack checked for defects with an x-ray, then anodized and logo etched for a perfect wheel that almost looks like art!
Direct fit for the following:
- ASA Kompressor RG3 Superchargers. These are found on 2007-2008 BMW Alpina B7 engines.
Comparisons:
RG 3 stock cast impeller:
- Balanced by grinding, clipping, sanding, drilling.
- Weight: 6.2 ounces.
JB Performance™ Billet impeller:
- More total surface area for air to pass through, allowing up to 10% more air to flow through the impeller each rotation.
- Direct fit with no machine work.
- Narrower center section.
- A2000 Alcoa Aluminum for stronger blade support.
- Thinner blade design to allow more air to pass through same pocket size.
- 10mm larger exducer outer diameter.
- Digitally designed and tested by a company that specializes in improved air flow designs.
- Anodized red and JB Performance etched logo for easy verification. Helps avoid copy-cats on the market.
- CNC balanced. by removing specific material with a cutting tool in the precise area.
- Crack checked with X-ray technology.
- Weight: 5.4 ounces.
This impeller wheel is for off-road use only.



