If you're going circle track racing and you need an affordable professional alcohol carburetor that wins races and championships...this is it. There are a lot of anti-siphon modifications and custom fuel curves required for sharp response and drivability (the key to winning in IMCA type competition). Well, look no further, the Champion series carburetors are fully prepped and ready for action. You won't believe the throttle response and "driver feel" this series offers and best of all... you can bolt them on and go racing.

Varian Sisson has the highest winning percentage in IMCA history.  Varian knows the importance of a good drivable carburetor in a limited tire application.  To quote Varian, "This carburetor offers incredible throttle control and smooth operation.  It's the best carburetor design I've ever driven.  I put one on every car I build. "

The Champion Series 4150 carburetors include these features:

• HP main body
• Available in REAL cfm ranges from 750-940
• Adjustable air bleeds
• Billet baseplate
• Adjustable throttle response (compensates for track conditions)
• Built in alternate calibrations
• Easily calibrated for use on 350 to 550 hp engines
• Electronically wet-flow calibrated
• Stainless plate screws
• Custom sized titanium needle and seats (they last forever)
• Hi-flow radiused boosters
• True race fuel curve
• Live-engine tested
• Techline access
• Wet-flow dyno sheet for easy jet selection