We don't have a harmonic balancer. Ther is a dampening ring of rubbe rin the stock unit. But that is more becaus eit is so heavy. The AF/X pulley is lighter and my motor runs smoother, starts up easier with the pulley do to the lighter weight the starter has to turn.
Firefly: Mal: You don't know me, son, so let me put this to you plainly: If I ever kill you, you'll be awake. You'll be facing me. And you'll be armed.