TwinPower 420400 - Twin Power 90-06 Big Twin and XL with CV Carb CV Carburetor Recalibration Kit

TwinPower 420400 - Twin Power 90-06 Big Twin and XL with CV Carb CV Carburetor Recalibration Kit

CV Carburetor Recalibration Kit

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.