We now offer these rear trailing arms made out of 4130 cro-moly. These arms have been tested in the desert under the most brutal and tortourous conditions. You can save huge amount of time fabricating if you buy these pre made arms. The arms measure 49.5" in length and are constucted of 1/8" thick 4130 cro-moly tube and interlocking internal plate brackets. They also include 2 bolt 1.25" threaded pinch bung and are constructed from a 1.75" bottom tube. The shocks are mounted .5" below the centerline and the front bushings are a replaceable 2.25" Nylatron bushing. These trailing arms are a custom application and they require advanced fabrication skills. Custom mounts and upper links are required to be built for installation.