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11-12-2002, 11:49 AM
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Registered Member
Join Date: Nov 2001
Location: Bay Area, CA
Posts: 58
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CCM sells their heads with higher quality parts, especially the valve springs. I think the stock springs are rated for only .500 lift whereas the CCM one can go a little higher. Also the holes for the thermactor is an option with them. They usually don't have holes but they could drill them for you if you want to stay smog legal.
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