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Sipple Speed & Performance

Max Effort HP70 and Torque Converter Combo (Durango, Jeep SRT, RAM)

Max Effort HP70 and Torque Converter Combo (Durango, Jeep SRT, RAM)

Regular price $8,540.00 USD
Regular price $0.00 USD Sale price $8,540.00 USD
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Sipple Speed and Performance Max Effort HP70 Transmission and Torque Converter Combo for RAM Trucks, Durango SRT8, and Jeep SRT8s

We only offer one level of transmission the "Max Effort". These are the race proven, fully built transmissions. Billet E Drums, performance steels and frictions 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. 

Your Trans and 'Verter will arrive assembled, full of fluid, and ready to install. You'll also save over $300 on fluid and headaches.  

(Durango, Jeep SRT, RAM)


MAX EFFORT HP70 Build Service
All tolerances and specs set to MAX EFFORT standards.

  • Set Clutch & Hard Part Clearances
    • MAX EFFORT Specs
  • Bench Test Unit
  • Recalibrate Valve Body To MAX EFFORT Specs
  • Installed New Pan With Integrated Filter
  • Filled With Fluid For Plug And Play Install


  • 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


  • 2014-2018 Ram
  • 2014-2018 Jeep SRT WK2
  • 2014-2018 Durango SRT8

8 Speed Torque Converter


SSP Custom ZF 8 Speed Torque Converter


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


    HP70 Stall Options:
    • 2200
    • 2600
    • 3200
    • 4000 (turbo applications)
    View full details

    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 our freight shipping policy, please see our knowledge base article: SSP's Freight Shipping Policy.