two transfer cases of 28 inch springs with 3 inch body and 3 link with 1 inch hiem joints 44 x 19.5x 16.5 , 456 gears in the rear and a gov lock in the front dana 60 and 14 bolts out ya seethem bars helps sure up the rears in them springs dont wobblejust glide like a pond mallard down the stream .