SSP Max Effort HP95 and Torque Converter Combo (TRX, HC Durango, TrackHawk)

Sipple Speed and Performance Max Effort HP95 Transmission and Torque Converter Combo for TRX, HC Durango, TrackHawk. 

We only offer one level of transmission the “Max Effort”. These are the race proven, fully built transmissions. Billet E Drums, Suncoast clutches all assembled to SSP’s precise specifications.

We don’t just throw a bunch of clutches in and hope for the best. There is a reason Sipple’s Max Effort Transmissions lead the lists online, and the winner’s circle at the track.

(TRX, HC Durango, TrackHawk)


MAX EFFORT HP95 Build Service
All tolerances and specs set to MAX EFFORT standards.

  • Disassemble unit
  • Install revised clutch modules
    • with added steels & frictions
  • Install billet E Drum
  • Blueprint pump
  • Recalibrate the valve body for high HP application
  • Bench test unit and solenoids to ensure operation
  • Fill the unit with approved ZF fluid
  • Prepare for plug and play installation


  • Billet E-drum
  • Extra capacity performance frictions/steels
    • (A,C,E,D)
  • Upgraded stator bushing
  • Upgraded rear bearing
  • New seals & gaskets
  • New pan filter
  • New pump & chain
  • Valve body recalibration
  • Build new separator plate
  • New pump bolts
  • Proprietary modifications to input/output shafts
  • New output shaft nut


  • 2018+ Trackhawk
  • Hellcat Durango
  • TRX


  • AWD: Trackhawk/ Hellcat Durango
  • TRX: different tail housing adapter

8 Speed Torque Converter


SSP Custom ZF 8 Speed Torque Converter


  • Billet stator
  • High performance frictions
  • Extra capacity
  • Performance bearing
  • tig welded


  • TRX
  • HC Durango
  • TrackHawk


HP90/95 Stall Options:

  • 2200
  • 2600
  • 3200
  • 4000 (turbo applications)


Shipping via Freight

Our transmissions and transfer cases are shipped via freight.

You will not be charged for shipping at checkout. We will contact you when your order is ready to ship with the best freight rate for your shipping timeframe.

Orders will not ship until payment for freight is received.

We do not ship internationally. International shipping is the responsibility of the customer.

For more information on SSP freight shipping policy, please see our knowledge base article: SSP’s Freight Shipping Policy.