decided to keep my 388 stroker, rebuild it, and run a modded lt1 intake on it. which means i need different heads. so up for grabs is my 906 casting vortecs. theyre geniune GM and not some knockoff. they have 2.02 int and 1.60 exhaust valves and the valve guides have been machined for .500 lift they have comp cams 981-16 springs on them. un ported and un cut in ayway way except for the valves and valve guides. they still have pressed in studs. looking to get $400 for the pair. prefer pickup, but will arrange shipping on your dime.