Join Date: Jan 2015
Location: Injun Territory, 'Merica!
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What brand? I've adjusted valve train with the stamped steel Comp roller tips, they fit under stock '67-early '72 style valve covers with thick black rubber steel core valve cover gaskets. If your '72 was built late in the model year, the valve covers should have the spot welded in baffles, that's most likely where the rockers are rubbing. Can always convert to earlier style '67-72 valve covers that are smooth inside. As far as valve cover spacers go, that's not an easy option, the Y shaped rear AC brace would not clear the top of the passenger side valve cover.