Boxster. An Arm that runs from the frame perpendicularly to the knuckle. Incl.Bushings. Part has related component that cannot be reused/reinstalled; bolt, nut and lock nut. Suspension component that connects and provides pivotal movement of the Steering Knuckle to the vehicle. Control , AX. Ft cntl. Link Assembly. Lower Control. Suspension Control. Tie rod Assembly. Track bar.