Twin Power 90-06 Big Twin and XL 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. ...

Twin Power™ provides a direct replacement choke cable guide and boot for 1987-2006 XL Sportster and Big Twin models equipped with Keihin CV carburetors. Essential component for CV carb rebuilds on...

Prevent idle mixture screw leaks with this Twin Power™ repacking kit. The Twin Power™ Fuel Mixture Repacking Kit allows you to maintain your carburetor for peak performance. This kit includes spring,...