T-45
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T-45 Parts
T-45 History
T-45 Transmissions

T-45 Transmissions - The T45 Source!

Pro-Force Performance is proud to continue the tradition of providing custom-built T-45 transmissions as well as custom parts for the T-45 that were formerly available from TheT45 Source.  Yes, Pro-Force acquired "The T45 Source" in the spring of 2016.

Which Mustangs used the T-45?
There are 3 versions of the T-45 used in Ford Mustangs:

1996-1998 Mustang 4.6 GT
1996-1998 Mustang 4.6 COBRA
1999-2001 Mustang 4.6 GT & COBRA

The T-45 is a smooth shifting transmission even at high RPM, however, Pro-Force rebuilt T-45s have the upgraded carbon-fiber synchro rings like those used in the T-56, and the billet bronze shift fork pads.  

Parts are increasingly difficult to obtain for the T-45.  Ford has discontinued all parts for these transmissions.  For this reason many are converting from the T-45 to the stronger TR3650.  Interchange information is posted below.

Pro-Force offers "Built" T-45's with custom parts that resolve the various "issues" that have been inherent to this transmission over the years.  Available enhancements include: 26 spline input shaft, Cryogen Tempered gears and forks, a redesigned single-disconnect reverse gear, and billet shift forks to name a few..   

All of our T-45 transmissions are available in 1996-1998 GT or COBRA versions as well as the 1999-2001 versions.
 - please specify the application 
 - An exchange is required on all T-45 transmissions, or a core charge will apply.