Description
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 TM12 Superchargers and TM12 units mounted to BMW E46.
Comparisons:
TM 12 stock cast impeller:
- Balanced by grinding, clipping, sanding, drilling.
- Weight: 5.0 ounces.
JB Performanceâ„¢ 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: 4.6 ounces.
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