Bikeman

Unmatched acceleration and track speed gains Lightning-quick back shift (downshift) Holds RPM much better than factory Secondary Smooth Shift Teflon washers included for buttery smooth secondary...

Thread into muffler, then simply thread the sensor into the adapter Sensor adapter solves peak RPM loss problems Adapter moves the sensor out of the extreme heat inside the muffler, allowing your...

Custom designed taller pistons have less piston slap Rings have been spaced apart for better cooling Pistons have .020" wrist pin offset to take load off the intake side Forged pistons are...

Increase cooling capacity for lower running temps which helps maintain peak power High altitude kit gains 8-9 horsepower in the mid-range and 7-8 peak Works in the 6000 - 9000 foot altitude...

Compatible with Big Mo 90° exhaust turn-outs. PART# 17-ET-1-SS: sold separately Compatible with 2.5" spark arrestor kit PART# 17-SA-3; sold separately Designed, built and assembled in...

Everything you need to adjust your exhaust noise levels

Increase cooling capacity for lower running temps which helps maintain peak power The low altitude kit gains 4-5 horsepower mid-range and peak horsepower For sea level to 6000 foot altitude. ...