Well, I was takin a closer look at the head I just picked up, and a few of the valves look like they have bent stems (with the cams out, the valve is not totally sealed all the way around its circumference). I already planed on gettin new valves, but now Im thinkin guides will be needed to. I'll be runnin pretty high boost levels, so I was wonderin what kinda guides you guys recomend? Thanks in advance for any info.