This floorboard set is adjustable through a 6” range of motion, and adjust in seconds by pulling the spring loaded locking pins for increased passenger comfort. These boards also greatly increase foot and leg support over stock boards. Our adjustable mounts (US PAT: 7114739) are machined from billet aluminum with triple plated chrome, triple plated chrome steel floorboards measure 8” x 5” and the pads are made of anti-vibration neoprene