IndySilveradoSS Posted April 15, 2009 Report Share Posted April 15, 2009 hey fellas, ran across this ad on craigslist, would these be good for a future upgrade, magnacharger and cam?? 317 heads Quote Link to comment Share on other sites More sharing options...
Rick_Vor Posted April 19, 2009 Report Share Posted April 19, 2009 hey fellas, ran across this ad on craigslist, would these be good for a future upgrade, magnacharger and cam?? 317 heads If your truck is a 2003 SS, it already has 317's on it. Look for the stamping on teh bottomright corner of the head. If you werer running a 5.3 ro 5.7l, then they would be great for droppong the compression on a big boost application. Rick Quote Link to comment Share on other sites More sharing options...
packjh Posted April 19, 2009 Report Share Posted April 19, 2009 Quote Link to comment Share on other sites More sharing options...
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