Head has aprox. 5,000 miles on it, oil changed regularly with royal purple 10w30 fully synthetic oil. It has 1mm oversized ferrea valves,new seals,etc,etc. Ported/polished, can come with a set of crane stage 5 cams. (custom ground) Or will trade for b16/17,Gsr,TypeR DOHC VTEC head. Thanks. Also have 81.5mm LS block with eagle H-Beams and Probe 10.5:1 pistons, and a block gaurd. motor needs rings, will sell as whole, minus intake manifold and header, or can part out. Motor has less than 5k on it and never been run hot. Let me know. or you can reach me at 850-590-4702. Thakns.