An assembly comprises an upper axle ball joint support torque box, torque tube, torque tube support housing, forward torque rod, and forward torque rod support. The upper axle ball joint support torque box is configured to connect to an upper axle ball joint mount of a solid front axle of a vehicle. The torque tube support housing is configured to connect to the upper ball joint support torque box. The forward torque rod is configured to connect to the forward torque rod support and the torque tube. The forward torque rod support is configured to connect to frame structure of the vehicle. The torque tube support housing is configured to slide forward and backward along the torque tube. The assembly may comprise an anti-twist bracket configured to connect to the ball joint support torque box. The assembly, when installed, reduces side-to-side shaking of the solid front axle vehicle.