The centrifugal clutch is just a damper between the engine and transmission that reduces vibration and harsh engagement with stiff springs when ICE starts.  Smart to replace.  https://parts.lakelandford.com/p/Ford__/CLUTCH-ASSEMBLY-Clutch-Friction-Disc-DISC-ASSEMBLY---CLUTCH/52358769/DG9Z7550A.html   Look at pic #3 in post 31. I believe that there is a disc / pressure plate inside such that if the torque difference between engine and transmission exceeds the spring forces holding plates in place