Brinn Transmissions clutch discs are a direct replacement for the Original Brinn transmission. Of the moving parts in the Original clutch discs are the most susceptible to failure. As with any manual transmission the clutch takes most of the abuse. A workbench and simple garage tools will be all you need to get the job done. Replace your worn pressure and friction discs with t a set of Brinn Factory replacement disks to start your year off prepared and ready to race.