Spec.............don't do it. The Twin Disks suck bad and the singles are average at best for the Z. I have heard many horror stories involving Zs and Spec clutches from shops that have installed them.
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 2007 350Z NISMO #0618: Zerolift | UPREV | F.I. | Greddy | Competition Clutch | Injector Dynamics | Aeromotive | Pioneer | JL
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