first time front suspension rebuild
You don't NEED to replace them. The lower control arm bushing will need to be pressed in/out and you will need to remove the torsion bars. If your swapping from drum to disc brakes you will need to change the upper arms or buy the sleeve from DrDiff. The T bar boots should be ok as long as they aren't falling apart,make sure you remove the retaing locks in the back of the T bar hole. The master shouldn't be an issue either since not all had the boot to begin with.