With the axle and chassis mounts installed, reinstall the springs, shocks, and wheels. Drive the car around the block to settle the suspension before installing the Panhard rod. During the installation of the Panhard rod, the rear suspension must be loaded with the weight of the car. Attach one rod end to the axle mount using the shorter 5/8-inch bolt and three 5/8-inch washers. One washer is placed on each side of the rod end and the third washer goes underneath the head of the bolt. Adjust the length of the rod by holding the unattached rod end so it doesn't turn, then twist the rod. When the assembly is the correct length, the longer 5/8-inch bolt will easily pass through the chassis mount's two elongated slots and the rod end, as shown here. Install the chassis mount's 5/8-inch bolt and use four washers: one on each side of the rod end (inside the mounting bracket) and two outside the bracket, one on each side. Adjust the height of the rod end in the slot so the rod is parallel to the ground. Note that the ride height of the car and how level the rod is will change with the addition of the driver and fuel load. Adjust the height of the rod with the driver in the car and with at least half a tank fuel. After the length and height of the rod are adjusted, torque the two 5/8-inch rod bolts to 115 lb-ft.