I purchased a set of these recently and when I place them on my Stealth heads the top mounting aluminum spacer blocks are about 1/4 inch from the mating surface on the head, is this normal and do you know what kind of bolts to use to mount these, I was thinking about 12 point heads, Thanks Rodger

that's normal for the blocks. use good hardware- grade eight minimum, and as long as possible without bottoming out.

Thanks very much, Rodger