Tiltons 72-607 firewall-mount and 72-608 reverse mount aluminum pedal assemblies feature traditional fixed-mount master cylinder and balance bar technology and provide excellent performance at competitive prices Forged aluminum pedals are engineered for high rigidity and low weight Adjustable pedal ratio (5.0-1 6.2-1) enable the brake pedal to be tuned to driver preference without having to change master cylinder bore size Foot pads can be adjusted vertically horizontally and in angle to suit individual driver preferences Large diameter 7/16-20 balance bar provides maximum rigidity PTFE coated aluminum clevises for increased durability and reduced friction Pedal pivots feature wave washers to reduce lateral pedal movement and oil impregnated bronze bushings decrease stiction Lightweight aluminum frame features guide ramps to reduce balance bar tipping decreasing friction and improving brake repeatability.