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Circle D 252mm Pro Series 4R70 Torque Converter

4R70 Converter available in 3200-4200 stall speed
Pricing: $2,099.00

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Circle D 252mm Pro Series 4R70 Torque Converter

  • Designed for 800+HP 
  • Best option for high HP forced induction cars
  • 252mm Pro Series
  • Comes standard with single disk lock up, but can be upgraded to triple disk
  • Stall speed can be in 200 RPM windows from 3200-4200
  • Anti-balloon plate on pump and turbine
  • Billet front cover
  • Mechanical Diode sprag
  • Furnace brazed
  • CNC machined stator for maximum adjustability
  • Tig welded design
  • Can be used in 4r70 and 4R75 applications

If you need help with the stall speed selection, you can call and ask us or Circle D directly. Be ready to provide information such as, but not limited to:

  • How much HP is the car making?
  • What power adder is being used?
  • Is the car raced, street driven, or both?


  • CD-30-12-34
  • CD-30-12-34
  • Circle D
  • New


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