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Firepunk XFPST Street & Track Transmission

1994-2007 Dodge 5.9L Cummins (550HP)
  2 Reviews
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  2 Reviews


The Firepunk XFPST Street & Track Transmission for your 94-07 Dodge 5.9L Cummins is perfect transmission package for those who use their truck for street duties and track time. The name says it well, a transmission designed to for a hot street truck that is strong enough to hit the track on the weekends and have fun with your friends. The OEM output shaft will provides it weakest link, if you can resist the urge of 4x4 boosted launches, it will live a long, happy life!

  • For General Performance & "Hot Street" Trucks Up To 550HP
  • 2-Year Unlimited Mileage, 100% Workmanship Warranty

Build List:

  • Billet Input Shaft
  • Billet DPC Heavy Duty Triple disc converter (Lifetime Warranty)
  • Competition Master Kit (includes added clutches in Direct drum and in OD Brake. OD direct clutch modification and oversized HD 2nd gear band)
  • Billet Servo
  • Billet Strut
  • Billet Anchor
  • Billet Accumulator Piston
  • Billet 4.2 Ratio Apply lever
  • Firepunk Built High Pressure Valve Body
  • Deep Pan with drain plug + temp sender port
  • HD SFI-Certified Flexplate 
Truck Freight Item: Allow 1-2 Weeks for delivery. Shipping fees apply


  • MFG. NumberXFPST
  • Manufacturer NameFirepunk Diesel
  • Weight500.00 lb.


Great tranny
Location: Virginia
Got 1,000 miles on it so far. Installed on my 2007 5.9 with no problems, runs great. Great customer service
Love the firepunk
Location: KY
I've had the street and track transmission in my 98.5 cummins for about 3 weeks now and it's been awesome. Has a firmer shift than it did before but that's to be expected. Overall, I would recommend Firepunk to anybody looking for a great transmission!!

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Questions and Answers

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Most Popular Questions

What torque converter is recommended if I purchase this transmission?
View Staff Answer 

This Firepunk XFPST Street & Track Transmission will include the Billet DPC Heavy Duty Triple disc converter.

Do the transmission come preassembled? Or come just like how the photo shows?
View Staff Answer 

The Firepunk XFPST Street & Track Transmission is shipped assembled.

The Firepunk XFPST Street & Track Transmission is shipped assembled.

The transmissions don't come pre filled with ATF do they?
View Staff Answer 
The transmission is shipped dry.