Hendrix Engineering makes there driveshaft using a new one of a kind balancer,we set the ride angle and we balance the front and rear portion at the same time but with seperate sensors.This is the only balancer that can do this,all while spinning 10,000 RPM!!!!!...If you do a little homework you will see Hendrix-Engineering has always been leaders in solving todays drivetrain needs.If you need us give us a call anytime after all this is what we do