JB Performance Billet Impeller CCW fits Novi 1200, 1220, Vortech V1, V2, V3 Si, SCi trim


V impeller Si CCW


Exact fit JB Performance direct fit replacement counter-clockwise billet Si trim style impeller.  The blades must curve in a counter-clockwise pattern.

Direct fit for the following Vortech and Paxton Superchargers:

  • Vortech V1 Si or Sci trim, Generation 1 or 2.
  • Vortech V2 Si or Sci trim, Generation 1 or 2.
  • Vortech V3 Si or Sci trim, oil injected or self contained.
  • Paxton Novi 1200, 1220 later style.
  • Paxton Novi 1200sl, 1220sl later style.

If you are unsure of your fitment, measure the inducer (intake) side of the impeller blade diameter. It should be right around 3.07″ or 78mm.


Si trim, Novi 1200 stock cast impeller:

  • 1150 CFM.
  • 775 HP.
  • 52,000 maximum RPM.
  • 78% efficient.
  • Balanced by grinding, clipping, sanding, drilling.
  • Weight: 10.1 ounces.

Sci trim stock cast impeller:

  • 1050 CFM.
  • 725 HP.
  • 53,000 maximum RPM (Self contained is 52,000 RPM).
  • 75 % efficient.
  • Balanced by grinding, clipping, sanding, drilling.
  • Weight: 9.9 ounces.

JB Performance billet impeller:

  • 1300 CFM.
  • 860 HP
  • 58,000 maximum RPM. Self contained oil supply units must maintain the factory 52,000 maximum RPM.
  • 80% 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.
  • Crack checked with X-ray technology.
  • Weight: 10.0 ounces.
  • Anodized red and JB Performance etched logo for easy verification. Helps avoid copy-cats on the market.
  • 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 SCi trim impeller for $125 USD and your Si trim impeller for $175 at any time.

This impeller wheel is for off-road use only.

Additional information

Weight 2.9 lbs
Dimensions 12 × 12 × 12 in


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