yes the type r head is a b18c5. like i said before, the b16 and b18c5 heads are nearly identical except the b18c5 head has a mild port and polish job from the factory. so expect results from a c5 head to be a little more than the b16 head. yea those numbers are to the wheel.


oh and the car in my sig aint mine if thats what you were talking about. h: :happysad: