laze1 Posted September 3, 2014 Share Posted September 3, 2014 Stock LS3 cylinder heads from a GM Performance crate engine. Came off a perfectly running engine, These are stock LS3 heads with casting 0821. A brand new set of factory valve spring are included, no valves though. Located in Atlanta GA $325.00 obo plus shipping Quote Link to comment Share on other sites More sharing options...
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