- Designed to turn stock 5-speed transmission into a 6-speed
- Reduces vibration that creates wear
- Creates a more relaxing cruising speed
- All gear sets use 2.94:1 close-ratio 1st gear that widens bike's speed range in 1st gear and lessens the rpm drop when shifting into second
- Overdrive 6th gear (.86:1 ratio) lowers engine rpm by almost 475 at 75 mph
- Gaskets and seals included
- Made in the U.S.A.
- Requires speedometer sensor block-off plate kit; if speedometer is not driven from transmission, then two block-off plates kits are required.
- Trap door extends 3/8" farther to right than stock part. Alteration to some parts that attach to or around the trap door may be required.
- Requires speedometer be recalibrated.
| Compatible Vehicles | |||
| Years | Make | Make | Notes |
| 1995-1997 | Harley-Davidson | Bad Boy FXSTSB | |
| 1999-2000 | Harley-Davidson | Dyna Convertible FXDS-Conv | |
| 1999-2000 | Harley-Davidson | Dyna Low Rider FXDL | |
| 1999-2000 | Harley-Davidson | Dyna Super Glide FXD | |
| 1999-2000 | Harley-Davidson | Dyna Super Glide Sport FXDX | |
| 1999-2000 | Harley-Davidson | Dyna Wide Glide FXDWG | |
| 1999-2000 | Harley-Davidson | Electra Glide Classic EFI FLHTCI | |
| 1999-2000 | Harley-Davidson | Electra Glide Classic FLHTC | |
| 1999-2000 | Harley-Davidson | Electra Glide FLHT | |
| 1999-2000 | Harley-Davidson | Electra Glide Ultra Classic EFI FLHTCUI | |
| 1999 | Harley-Davidson | Night Train FXSTB | |
| 1990-1999 | Harley-Davidson | Softail Custom FXSTC | |
| 1990 | Harley-Davidson | Softail FXST | |
| 1990-1999 | Harley-Davidson | Softail Springer FXSTS | |
| 1999 | Harley-Davidson | Softail Standard FXST | |