Exact fit JB Performance™ direct fit replacement counter-clockwise billet impeller. The blades must curve in a counter-clockwise pattern.
Direct fit for the following ASA Kompressor RG3 Superchargers. These are found on 2007-2008 BMW Alpina B7 engines.
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 15% 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.
- CNC balanced. by removing specific material with a cutting tool in the precise area.
- Crack checked with X-ray technology.
- Weight: 5.4 ounces.