2011-2019 Duramax Allison RatioTek Extreme Transmission Tuner Kit (RT-A11-PRX)2011 2019 Duramax Allison RatioTek Extreme Transmission Tuner Kit (RT A11 PRX) Kit sets minimum pressure and boosted pressure to levels that are a match from 800HP up to 1200HP or more adjustable within the kit. This kit is for racing, tractor pulls and chipped out monster trucks.

Randy's built Triple Disc or optional XHD Quad Disc Billet Converter

010 (224-3451WR

You will notice a better operating turbo when paired with a new Billet unison ring

1064017 and 1064018 Transmission Filter Kits

or if you're looking for great sound on a budget

The track bar is the most important link under the front end of a straight axle

you run the risk of doing additional damage to your new or reman fuel components and ultimately back to where you started

2011-2015 Duramax LML P1 4" Downpipe Back Exhaust w/ Muffler (C6044304)

We have taken all the guesswork on how to rebuild your 68RFE

and finished in Alberta

All of our custom A-Pillars can be painted to match any vehicle interior color for ultimate customization

BD gear selection display and wiring harness