1998 to 2004 4r100 ford powerstroke diesel 4x4 automatic transmission. Rebuilt with 6 pinion steel rear plantary, 6 pinion steel front plantary,4pinion steel overdrive plantary. Tugger valve body kit ,rebuilt solenoid body or new ,Gpz clutches. Heavy duty rv billet cover converter , there is a 750.00 core charge , 6month warranty. Instalation is avalable and longer warranties are als avalable with instalation.