Deviant's built Allison transmissions for the 2006-2007 GM LBZ Duramax utilize the best components in the industry to solve your slipping or limping transmission problems. We have Stg.1, Stg.2 & Stg. 3 units from Stock to 1500hp. Our Allison Transmission Line kits for the LBZ Duramax are the original lines that everyone else has imitated. We use high quality 1500 psi rated heavy duty hydraulic lines with swivel fittings and upgraded hardware to make these lines last and perform better than OEM, all while backed by our lifetime warranty.