Twin Power 90-06 Big Twin and XL CV Carburetor Recalibration Kit - 422632

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 90-06 Big Twin and XL Keihin CV Carburetor Diaphragm Only - 482841

Essential for carb rebuilds on Evolution and early Twin Cam engines across Softail, Dyna, Touring, and Sportster linesThis Part Fits:YearMakeModelSubmodel1994-2006Harley-DavidsonFLHR Road...

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

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 90-17 Big Twin 91 Up XL Exc M8 Solenoid Starter Button 1.2 1.4 KW Starters - 482759

Twin Power™ solenoid housing starter button fits 1 2/1.4kw starters on 1990-2017 Big Twins and 1991-up XL excluding M8.

Twin Power 90-93 Big Twin 9 Tooth Starter Pinion Gear Use With 66T Ring Gear - 489621

Twin Power™ starter pinion gears match 66T or 102T ring gears for 1990-2006 Big Twin starters.This Part Fits:YearMakeModelSubmodel1990-1993Harley-DavidsonFLHS Electra Glide...

Twin Power 90-93 Big Twin Clutch Shell Replaces H-D 37707-90 - 489713

Fits 87-06 5-speed Big Twin models, or for upgrading earlier models, it comes with a coupler with clip and the three balls.This Part Fits:YearMakeModelSubmodel1990-1993Harley-DavidsonFLHS Electra...

Twin Power 90-93 Big Twin Starter Ring Gear 66 Teeth - 482452

These gears are black oxide-coated and heat-treated for maximum strength to give you the best performance possible.This Part Fits:YearMakeModelSubmodel1990-1993Harley-DavidsonFLHS Electra Glide...

Twin Power 90-97 Big Twin 91-22 XL Aluminum Clutch Pressure Plate Replaces H-D 37912-91A - 489600

The Twin Power™ Aluminum Clutch Pressure Plate is the perfect O.E.M. replacement for H-D #37912-91A.This Part Fits:YearMakeModelSubmodel1994-1997Harley-DavidsonFLHR Road...

Twin Power 90-97 Big Twin 91-Up XL Clutch Kit Extra Plate W/ Heavy Spring - 482037

Extra plate kits include a 15% stronger diaphragm spring for increased surface area and greater torque capacity.

Twin Power 90-97 Big Twin 91-Up XL Clutch Spring Compressor Tool - 487054

Essential for clutch maintenance on Big Twin and Sportster® modelsThis Part Fits:YearMakeModelSubmodel1994-1997Harley-DavidsonFLHR Road KingBase1996-1997Harley-DavidsonFLHRI Road...

Twin Power 90-97 Big Twin 91-Up XL Power Clutch Kit - 482035

Extra plate kits include a 15% stronger diaphragm spring for increased surface area and greater torque capacity.

Twin Power 90-97 Big Twin Clutch Hub Replaces H-D 37550-90A - 489714

These accurate reproductions of the Big Twin clutch hub features steel spines and aluminum hub construction.This Part Fits:YearMakeModelSubmodel1994-1997Harley-DavidsonFLHR Road...