This is our line up of full reman units for the guys that dont want performance but just simply want a reman stock unit. This is for lmm duramax trucks, these units get fully cleaned and inspected with all new 360 degree bearings and seals. these are drop in stock units so no modifications are needed. We do require a core up front before we ship to make sure it is acceptable and keep our stock up. 2 year unlimited mileage warranty. All units get painted in a ceramic base paint so it will not rust or corrode for many many years.