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CBRich · 12-07-2009, 07:50 PM

It's cast steel. And according to some other threads it is not a harmonic balancer. It does look like one but I believe it was determined it is designed that way to actually isolate itself from the engine because it may not be balanced (the pulley).

12-07-2009, 07:50 PM	#7 (permalink)
CBRich A True Z Fanatic Join Date: Apr 2009 Location: SC Posts: 2,464 Drives: 370Z Rep Power: 544	It's cast steel. And according to some other threads it is not a harmonic balancer. It does look like one but I believe it was determined it is designed that way to actually isolate itself from the engine because it may not be balanced (the pulley).