Precision overdrive gearset engineered for smoother, more efficient highway operation. ⚙️
Includes trap door, all gears, mainshaft, countershaft, shifter drum, detent components, bearings, snap rings, gaskets and hardware for a complete rebuild.
A roller detent shift drum with reduced inertia and gear dogteeth with lead-in ramping delivers significantly smoother, quieter shifting compared with stock components.
The bearing door is machined from 6061-T6 aluminum and uses wider bearings with a bearing retainer plate instead of the stock-style snap rings for improved durability.
Gears are cut before heat treating and precision ground with diamond-coated tooling for quieter operation and long life. Made in the USA. Note: exhaust bracket may require modification.
Designed to fit into stock and most aftermarket 5-speed transmission cases for straightforward installation.
This product fits the following vehicles. Use the filters below to narrow down the list if needed.
| Manufacturer | Model | Family | Year | Notes |
|---|---|---|---|---|
| Harley Davidson | Road King | Touring | 2002 | |
| Harley Davidson | Road King | Touring | 2003 | |
| Harley Davidson | Road King | Touring | 2004 | |
| Harley Davidson | Road King | Touring | 2005 | |
| Harley Davidson | Road King | Touring | 2006 | |
| Harley Davidson | Road King Classic | Touring | 2004 | |
| Harley Davidson | Road King Classic | Touring | 2002 | |
| Harley Davidson | Road King Classic | Touring | 2003 | |
| Harley Davidson | Road King Classic | Touring | 2004 | |
| Harley Davidson | Road King Classic | Touring | 2005 | |
| Harley Davidson | Road King Classic | Touring | 2006 | |
| Harley Davidson | Road King | Touring | 2002 | |
| Harley Davidson | Road King | Touring | 2003 | |
| Harley Davidson | Road King | Touring | 2004 | |
| Harley Davidson | Road King | Touring | 2005 | |
| Harley Davidson | Road King | Touring | 2006 | |
| Harley Davidson | Road King Custom | Touring | 2004 | |
| Harley Davidson | Road King Custom | Touring | 2005 | |
| Harley Davidson | Road King Custom | Touring | 2006 | |
| Harley Davidson | Road King Screamin Eagle | CVO | 2002 | |
| Harley Davidson | Road King Screamin Eagle | CVO | 2003 | |
| Harley Davidson | Road King Custom | Touring | 2004 | |
| Harley Davidson | Road King Custom | Touring | 2005 | |
| Harley Davidson | Road King Custom | Touring | 2006 | |
| Harley Davidson | Electra Glide | Touring | 2002 | |
| Harley Davidson | Electra Glide | Touring | 2003 | |
| Harley Davidson | Electra Glide | Touring | 2004 | |
| Harley Davidson | Electra Glide | Touring | 2005 | |
| Harley Davidson | Electra Glide | Touring | 2006 | |
| Harley Davidson | Electra Glide Classic | Touring | 1996 | |
| Harley Davidson | Electra Glide Classic | Touring | 2002 | |
| Harley Davidson | Electra Glide Classic | Touring | 2003 | |
| Harley Davidson | Electra Glide Classic | Touring | 2004 | |
| Harley Davidson | Electra Glide Classic | Touring | 2005 | |
| Harley Davidson | Electra Glide Classic | Touring | 2003 | |
| Harley Davidson | Electra Glide Classic | Touring | 2004 | |
| Harley Davidson | Electra Glide Classic | Touring | 2005 | |
| Harley Davidson | Electra Glide Classic | Touring | 2006 | |
| Harley Davidson | Electra Glide Screamin Eagle | CVO | 2004 | |
| Harley Davidson | Electra Glide Screamin Eagle | CVO | 2005 | |
| Harley Davidson | Electra Glide Ultra Classic | Touring | 2002 | |
| Harley Davidson | Electra Glide Ultra Classic | Touring | 2003 | |
| Harley Davidson | Electra Glide Ultra Classic | Touring | 2004 | |
| Harley Davidson | Electra Glide Ultra Classic | Touring | 2005 | |
| Harley Davidson | Electra Glide Ultra Classic | Touring | 2006 | |
| Harley Davidson | Electra Glide Ultra Classic Screamin Eagle | CVO | 2006 | |
| Harley Davidson | Electra Glide | Touring | 2004 | |
| Harley Davidson | Electra Glide | Touring | 2005 | |
| Harley Davidson | Electra Glide | Touring | 2006 | |
| Harley Davidson | Street Glide | Touring | 2006 | |
| Harley Davidson | Street Glide | Touring | 2006 | |
| Harley Davidson | Road Glide | Touring | 2002 | |
| Harley Davidson | Road Glide | Touring | 2003 | |
| Harley Davidson | Road Glide | Touring | 2002 | |
| Harley Davidson | Road Glide | Touring | 2003 | |
| Harley Davidson | Road Glide | Touring | 2004 | |
| Harley Davidson | Road Glide | Touring | 2005 | |
| Harley Davidson | Road Glide | Touring | 2006 |