Blessed Performance for the Wehrli 750HP Built Transmission for 2011-2016 LML Duramax diesel trucks.
All WCFab Built Allison Transmissions are assembled in-house in our climate-controlled clean room. With over ten years of combined experience and hundreds of builds in use, Wehrli's has been able to tweak and perfect these builds to get the most out of the Allison to withstand the power produced with the Duramax.
Must Be Installed by an Authorized Dealer
Please Call for Availability - 1-800-577-2698