Gear Set - Overdrive/6-Speed - Polished - Softail/Dyna/FXR

Includes trap door, all gears, mainshaft, countershaft, shifter drum, detent components, bearings, snap rings, gaskets and hardware Significantly smoother shifting than stock due to a roller detent shift drum with reduced inertia and gear dogteeth with lead-in ramping Bearing door is manufactured from 6061-T6 Aluminum and features wider bearings and a bearing retainer plates instead of the stock style snap rings Gearsets are made out of 8620 steel, gears are cut before heat treating then precision ground with a diamond coated tooling for quieter operation Lower RPM's for smoother highway speed operation and increased fuel efficiency Made in the USA