hey guys,im upping my whole valvetrain,skunk2,for the valves i was wondering whether to get the flat or non flat valves, i wanna go all motor now and switch 2 turbo later,if i get the flat will it be ok for turbo,and vise versa,thanks


also,whats the diffrence between pro 1 camshafts and regular stage 1,and pro valve springe and non thanks