specifyin ur set up might help us to determine what is in ur best interest...if u have a type r head..getting cams to me isnt worth it..u already have a bad ass head..but what block are u using..sticking to all motor?..the most beneficial thing to me would be puttin in higher comp pistons..i think it would yield higher hp gains and excluding installation would cost the same...unless you can get some oem pistons that are higher comp then whatever you have..