Reply to "Anybody experience with the ProMaxx 4V Aluminium Heads?"

jffrMember

Just my two cents here but, this doesn't sound like a good company to be doing business with. I have had several sets of CHI cylinder heads and never had a problem with getting performance data about them. CHI also makes a 4V cylinder head for the Cleveland engine, which is expensive, but you sometimes get what you pay for.

7/4/237:45 AM

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