8.75 mopar rear chunk, 4.30 gear with 35 spline axles, and full spool , Caltrac monoleaf w caltrac adjustable bars, the rear chassis is stock with the exeption of removing a little bit of the wheel opening in front of the tire the rear tire is a 30x9 on a 10 in. rim with a 4.5 back space. front is a stock K member and suspention with a little tweaking and 90/10 shocks , I hope this helps NICK. The torque converter is 5000 PTC. noNOS lol