Selling a TCI Super street fighter 10" NON-lockup torque converter Part #242964. Will fit any 700R4,4l60,or4l60E tranny with a 30 spline input shaft(which all 4l60 trannys are that I know of) Rated at 1500+stall speed over stock. I've been told it is about 3200-3400 behind a lightly modded LS1 car. converter is $599 new from TCI selling for $350+shipping