dohc v6 Posted November 8, 2004 Report Share Posted November 8, 2004 what is the deal with the rsm heads. they say they have harder valve spring. where do i get them from. i am doing my engine over and need some perfromance done to it. Quote Link to comment Share on other sites More sharing options...
sonyman87 Posted November 8, 2004 Report Share Posted November 8, 2004 i think you can get springs from the gm v8 line that would work Quote Link to comment Share on other sites More sharing options...
Canada Posted November 9, 2004 Report Share Posted November 9, 2004 What exactly are you doing that requires stiffer springs? Quote Link to comment Share on other sites More sharing options...
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