Our recalibration kit cures throttle flat spots, backfiring and poor throttle response common to the CV carbs. It increases power midrange and top end while maintaining satisfactory fuel economy.

• Performance jets and needles boost midrange power and top-end throttle crispness
• Direct fit for Evolution and early Twin Cam engines, enhancing rideability
• Cures common CV carb issues without full teardown or ECU modifications