This GPM adjustable rear upper arm tie rod is designed to strengthen the ARRMA KRATON 8S rear linkage using high-strength stainless steel and aluminium 6061-T6. The matched right and left threads provide straightforward length adjustment so technicians and hobbyists can remove steering play and accurately set rear toe. With an adjustable span from 155mm to 165mm the tie rod supports chassis alignment and helps maintain repeatable rear wheel geometry under load.