i have a 2001 2.2 with a full exhaust and intake, im taking my valve cover off in a few days and was thinking of replacing the rocker arms, before you yell at me i did search and all i found is ecotec stuff, what rocker arms work in the 2.2, and would help the most. thanks in advance
thanks, would these have a strong effect alone or not much without other mods like porting and valves