Compbrake is a major leading supplier of bias pedal boxes to the motorsport industry. Compbrake bias pedal boxes are manufactured to the highest standard. See our full range of braking accessories cockpit adjusters, reservoir and mastercylinders. 1 x Bias Bar, 1 x Clevis & Pin 1 x M/Cyl Nut & Bolt Kit 2 x Master Cylinders. Choice of 0.625", 0.7", 0.75 2 x reservoirs & mounting brackets 1 x balance dash adjuster.