Dorsey Diesel Stage 3 4r100/E4OD good for 600hp-800hp


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Dorsey Diesel Stage 3 4r100/E4OD good for 600hp-800hp

-Use this transmission if you truck is running big hybrids (350cc/200%-400cc/400%) and you want it to hold up to competition use as well as great daily driving shifting manners. This is paired great with the guys running 350/200’s and out T4 mount with a 467.7 or larger turbo and want it to hold up to a lot of competition abuse such as drag racing and sled pulling.  

  • Pump and valve body upgrades to improve flow and shifting
  • Hardened sun shell
  • Billet input shaft
  • Billet intermediate shaft
  • New bushings installed
  • Thrust bushings areas machined to accept thrust bearings for added strength 
  • Upgraded snap rings in high stress areas
  • Added clutches in direct, forward, intermediate and overdrive 
  • Raybestos GPZ clutches used in all packs
  • No electronics are reused all new electronics installed
  • Center support machined for added support rings
  • Coast clutch drum machined and upgraded snap ring added
  • 45 element HD intermediate sprag added
  • Include is a DPC billet triple disc converter
  • 31 row HD trans cooler with correct stainless barbed conversion fittings ½ to 3/8 
  • 2 year unlimited mileage warranty on transmissions and converters 
  • Custom colors and powder coating are available call for quote

Core transmissions must be returned complete with no cracked or broken cases      

If you think you are close to the upper end of the HP rating on transmission you need the next stage up if you plan on competition use.

** Shipping is $225 each way to the lower 48.  We take the shipping out of the core charge after receiving the core back and refund the difference.