What ever you do steer clear of sre. I have one of his and have had dramas with engine noises since new. He replaced the timing gears and chain to start with, apparently the wrong ones were installed. Then about 15000km later i had it rebuilt again, because of a cam bearing with to much clearance. SRE did contribute to the rebuild but I was still out of pocket a couple of grand. To this day it still has valve train noise but I have given up on it. It does however perform quite well. Dyno tune showed 190 RWHP.
I am with Wrath on this stage crap. Every company does diffent things for the same stage. When I was much younger people used to refer to cams as 3/4 race cam ect. My reply was always the same. '' Really! wheres the other 1/4''. Hopefully this stage **** will disappear as well.