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If you are ordering a complete transmission or builders kit please be advised that your order may take 1-2 weeks to ship. Each transmission is custom built to meet your exact specifications.


PowerBox

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Powerbox 6-Speed (Right Side Drive)

Fitment

1990-1999 Softail – Custom Applications

  • $3,695.00
  • Custom Configuration

Powerbox 6-Speed Transmission Assembly

Fitment

1990-1999 Softail – Custom Applications

  • $3,595.00
  • Custom Configuration

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Items 1-2 of 2

The design directives for the TorqueBox were clearly established in the early stages of development. This flagship gearbox had to have a 250 ft-lb torque capacity gearset but externally look like 400 ft-lb standing still. Development costs and resultant retail price were deemed irrelevant. By choosing the venerable 6-71 blower for architectural inspiration, we inadvertently gave rise to what is now trademarked as Function Formed design. Enter the new PowerBox Function Formed, looks without the need to pawn your guns or your wife's jewelry. Design inspiration from the TorqueBox coupled with a diamond ground 8620 steel 6-speed overdrive gearset gives the PowerBox an input torque capacity of 165 ft-lb, with a 400 ft-lb curb appeal; some may argue more. More because the tidy compact design of the PowerBox makes the Function Formed design elements pop out more. 34Ds will always be noticed more on a petite chick than a larger chick; same concept.