Govoni Self Adjusting Clutch (Sac) Installer Master Kit 14 piece special centering tool set for vehicles without pilot bearings in the crankshaftEnsures proper installation of the self-adjusting clutch whilst avoidingerratic adjustment of the adjusting ring in the clutchs mechanisms to provide smooth clutch operation.3-arm truss for flywheels with six mounting screws and 4-arm truss for flywheels with eight mounting screws. GBP 1099.99 1