Description
Power House 6-Speed Transmission — Polished — 1990-1999 Softail
Fits: 1990-1999 Harley-Davidson Softail (Evo Big Twin) and custom applications using a 1990-1999 Softail-style transmission mount.
A complete, ready-to-bolt-in 6-speed for Evo-era Softails and customs from Mid-USA's Power House Performance Systems line. Overdrive 6th gear (0.86:1) drops highway RPM, and the 8620 gears and shafts are precision ground for a quieter, smoother box than a tired stocker. Polished case for a show-bike shine.
Roller detent firms up the shifts, hardened steel forks hold up to abuse, and the chrome billet trap door keeps the shafts from flexing. Ships with a 32-tooth pulley.
Features
- Precision-ground 8620 steel gears and shafts
- Overdrive 6th gear — 0.86:1
- Roller detent for smoother shifts
- Hardened steel shift forks
- Chrome-plated billet trap door minimizes shaft flex
- Chrome-plated top and side covers
- 32-tooth pulley included
- Polished case
Note: Mid-USA recommends Lucas Synthetic Gear Oil for less gear noise and longer bearing life.
Mid-USA part 70379
Specs
| Brand | Mid-USA (Power House Performance Systems) |
| Part Number | 70379 |
| Gears | 6-speed |
| Ratios | 1st 2.94 / 2nd 2.21 / 3rd 1.57 / 4th 1.23 / 5th 1.00 / 6th 0.86 |
| Gear Material | 8620 steel, precision ground |
| Pulley | 32 tooth, included |
| Case Finish | Polished |
| Covers | Chrome top and side covers |
| Weight | 41 lb |
| Fits | 1990-1999 Harley-Davidson Softail (Evo Big Twin) and custom applications using a 1990-1999 Softail-style transmission mount. |
