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Posted: **Sat Oct 30, 2010 7:26 am**

Competition Cams has a 5 Stage Performance Program for the ZZ4. Take a look here
http://zz4build.com/ZZ4horsepower/

Posted: **Sat Oct 30, 2010 3:28 pm**

thanks a lot Harold..just when I had cleared my credit card too.

Competition Cams 5 Stage ZZ4 program