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The TransGo Valve Body Upgrade Kit includes all of the necessary pieces used to upgrade the valve body on your 350Z/G35 equipped with a 5-speed (RE5R05A) Automatic transmission. Upgrading the valve body decreases shift times, and increases overall drivability on high-horsepower forced induction or nitrous equipped cars.


  • 2003-2008 Nissan 350Z
  • 2003-2008 Infiniti G35
  • 2008 Infiniti G37 Sedan (5AT RE5R05A ONLY)

This kit is designed to work with the RE5R05A 5-Speed Automatic Transmission ONLY. If you're unsure what transmission may be equipped, a guide with tranmission model information can be found HERE.

Installation of the TransGo Valve Body Upgrade kit requires partial transmission disassembly and complete valve body disassembly. Professional installation recommended.


What our customers say...

Follow the instructions and it's pretty straight forward. No rush took about 4 hours. Very pleased with the results! Normal ...

Rated by Verified Customer Purchase Read More

Before the car shifted very sluggishly. Now it feels like it is trying to pull you through the seat under ...

Rated by Verified Customer Purchase Read More

Questions our customers have asked...

if im not forced induction , is it still worth buying this for my car for shift times

Response: Yes it sharpens up the transmission shifts quite nicely.