TF1004 - Radius Arm Bush Kit – Rear – Chassis EndDescription: Rear Radius Arm Bush Kit Chassis End, supplied as a set of four polyurethane bushes with retaining plates, inner sleeves, and installation grease, for replacement at the chassis end mountings of the rear lower radius arms. The bushes install at the chassis bracket end of each rear lower radius arm, providing the compliant pivot point that allows controlled axle movement under suspension travel while isolating road shock from the chassis.