I have an ATI damper for a z32 that is rated up to 1000hp. It has only been installed on a crank, but has never been run. Essentially brand new. It does come with the outer pulley (not pictured).When I bought this new, I had to wait for over a month to have this made from ATI.
Part Number 917755
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ATI damper $400 + shipping - SATAN23:47:49 11/20/11