Iron Shift Diesel

Coming Soon April 1, 2026

Our phones are open and we are building high performance custom transmissions.

Please call 866 767 9567.

FREE INSTALLATION + NEW TRANS COOLER + TUNES INCLUDED WITH PURCHASE IN OUR CHANDLER FACILITY. FREE HOME PICKUP WITHIN THE STATE OF ARIZONA!!!!

5R110

Complimentary Install of Your Transmission in our Arizona Shop

In Arizona? We will pick your truck up on one of our own transports and bring it to the shop for you,

Customer Lounge

You are welcome to wait in our customer lounge while we install.

Relax while you wait.

6R140 Free Install

Full line of Power levels: 425-1000 HP builds!

4r100 Competition + rated for 800HP

We have put our own proprietary expertise and machining of components so that we can get the highest quality of clutches and steels in every drum.

Transmissions

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Time to get down!

Which Power Level is best for what you do?