i was looking on ebay, they only have DOHC kits as i can tell, and i only have that much cuz of the motor build, my dad sent it to a buddy of his that build racing motor for dragsters and stuff and he said he wasted to "fool" with it, runnin me a bit to do tho. so i only gonna have about 1000 left out of what i have in the bank now, i would do do my system, but ima wait till end of summer for that, i wanna race this car first