dohc v6 Posted November 8, 2004 Report 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
sonyman87 Posted November 8, 2004 Report Posted November 8, 2004 i think you can get springs from the gm v8 line that would work Quote
Canada Posted November 9, 2004 Report Posted November 9, 2004 What exactly are you doing that requires stiffer springs? Quote
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