are the tenzo r seat on rails? also what are you looking for trade? I have a HPI RTR Nitro 3 Drift rc car with everything you need includes fuel bottle with fuel, extra glow plug with glow plug igniter, just put new tires and a spur gear on it last week also comes with an extra remote and skyline r34 body. It has the s14 body on it now.
http://www.hpiracing.com/kitinfo/10071/