Hi, under the big banner at the top theres a line that looks like this
U2U | Member List | Search | Photo Archive | Chat | Links
click search and a window will pop up, in the search for box type (dohc plenum) then click search wait a while and a small list should appear you want the one at the bottom that says dohc plenum mod click that and scroll down the page and theres a huge pic the same as the one i posted
hope this helps
you could pm scotty g im sure he will be helpfull about this mod
Ray
ps you dont have to pay if you dont want to, I havent but i am skint lol