Description
Exact fit JB Performance Billet direct fit replacement clockwise YSi trim style impeller. The blades must curve in a clockwise pattern. Impeller is red anodized and has a JB Performance logo.
Direct Fit for the following Vortech Superchargers:
- Vortech V7 YSi trim.
- Vortech V7 YSI-B trim
If you are unsure of your fitment, measure the inducer (intake) side of the impeller blade diameter. It should be right around 3.75″ or 95 mm.
Comparisons:
YSI trim, stock cast impeller:
- 1600 CFM.
- 1200 HP.
- 65,000 maximum RPM.
- Balanced by grinding, clipping, sanding, drilling.
- Weight: 16 ounces.
YSI-B trim, stock Vortech Billet impeller:
- 1950 CFM.
- 1400 HP.
- 65,000 maximum RPM.
- Balanced by grinding, clipping, sanding, drilling.
- Weight: 17.6 ounces.
JB Performance billet impeller:
- 1950+ CFM.
- 1400 HP+
- 68,000 maximum RPM. Recommend ceramic bearings on output side.
- 79% efficient.
- 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 diameter by using patented flared tip.
- 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.
- Anodized red and JB Performance etched logo for easy verification. Helps avoid copy-cats on the market.
- Crack checked with X-ray technology.
- Weight: 15.5 ounces.
- 3 year warranty against blade failure when installed by JB Performance with a full rebuild. requires the supercharger RPM to not be exceeded as published here.
Want to save even more? Trade in your un-damaged YSI trim impeller for $175 at any time.
This impeller wheel is for off-road use only.

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Volute clamping bolt 