no problem man look into crower cams and the gears id go AEM or Skunk2, also if you get a stage 1 cam you can just bolt it in if you go stage 2 or stage 3 you need to upgrade the valvetrain
for street use 4-2-1 is better than 4-1
He has no reason to upgrade the fuel rail
for street use 4-2-1 is better than 4-1
He has no reason to upgrade the fuel rail