Front Lower. Left. Lower cntrl arm cotter pin. Right. A threaded Rod with a drive head (such as hex, 12 point, torx, etc) on one end used to secure the Tie Rod to it's mounting point. Suspension Ball Joint Lock Pin. Cotter. Lower Control arm Cotter. Outer. Steering Bolt. Suspension Ball Joint Lock. Included with: Outer Tie Rod, Tie Rod assy.