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 D1SC billet wheels are professionally designed to replace OEM ATI ProCharger D1SC, P1SC style impellers. The blades must curve in a 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 ATI ProCharger Superchargers:

• ProCharger P1SC.
• ProCharger D1SC.

Comparisons:

P1SC stock impeller:

• 1200 CFM.
• 825 HP.
• 62,000 maximum RPM.
• Balanced by grinding, clipping, sanding, drilling.
• Weight: 11.3 ounces.

D1SC stock impeller:

• 1400 CFM.
• 925 HP.
• 65,000 maximum RPM.
• Balanced by grinding, clipping, sanding, drilling.
• Weight: 13.3 ounces.

JB Performance billet impeller:

• 1575 CFM.
• 1015 HP
• 65,000 maximum RPM.
• Direct fit with no machine work.
• Narrower center section.
• A2000 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.
• Anodized red and JB Performance etched logo for easy verification. Helps avoid copy-cats on the market.
• Weight: 12 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 P1SC trim impeller for $100 USD and your D1SC trim impeller for $150at any time.