Left.2009-12. Right.2009-12. Upper brace bolt. A threaded rod with a drive head (such as hex, 12 point, torx, etc.) on one end used to secure the Fender Rail Reinforcement Brace to it's mounting point. Fender Bolt. and LockWASHER. and LockWASHER Assembly - HEX. Rail Reinforcement. Screw.