Two of #60-1457 are required to service one transmission. Premium replacement for the OEM main drive gear bearing to help restores smooth, quiet 5-speed operation Engineered to meet or exceed...

This Twin Power™ carburetor to manifold seal is designed to maintain a tight, leak-free connection between the carburetor and intake manifold on many Evolution Big Twin and Sportster models. ...

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. ...

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

Twin Power™ starter pinion gears match 66T or 102T ring gears for 1990-2006 Big Twin starters. Hardened steel teeth withstand high starter loads without premature wear 9-tooth gears pair with...

These gears are black oxide-coated and heat-treated for maximum strength to give you the best performance possible. Precision-machined steel gears ensure positive starter pinion engagement without...

The Twin Power™ Aluminum Clutch Pressure Plate is the perfect O.E.M. replacement for H-D #37912-91A. Enhanced pressure distribution prevents slippage under high torque loads Lightweight aluminum...

Allows easy snap-ring removal for clutch replacement. Essential for clutch maintenance on Big Twin and Sportster® models Allows safe and easy compression of clutch springs during service ...