Left.inner. PartQualifier: inner. Radius rod bolt. Right.inner. A Bolt used to secure a Suspension Shock Absorber. A fastener used to secure a control Arm. A threaded rod with a drive head (such as hex, 12 point, torx, etc.) on one end used to secure the Suspension Crossmember Reinforcement to it's mounting point. Attaches the radius Arm to the vehicle. Part cannot be reused/reinstalled. Part cannot be reused/reisntalled. Suspension Crossmember Bolt. Suspension Strut Fork Bolt. Suspension Track Bar Bolt. Included with: Knuckle.