Competition Cams has a 5 Stage Performance Program for the ZZ4. Take a look here
http://zz4build.com/ZZ4horsepower/
Competition Cams 5 Stage ZZ4 program
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Harold Blocker
- Outdrank the Perverator
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Re: Competition Cams 5 Stage ZZ4 program
thanks a lot Harold..just when I had cleared my credit card too. 