Almost 100% just GTT
GTR's use diff lower mounting points at the rear and have diffrent sprint rates at the front because of the extra weight of the driveshaft/diff/props
Just do a search (top right hand just under the SAU banner, click search, then adavanced search.. type in what ever and scroll down and click on the "suspention" section so it only searches that) in the suspention section.. has been covered many-a-time