Originally posted by LudeRage
How is the B18C5 manifold different from the ITR? Isn't it the same car?
the c5 was in the usdm itr's. the b18c with no suffix, serial numbers starting with 19, 20, or 21 are the jdm itr motors.
itr heads are made from the same cast as the b16a head, hence the swappability with both manifolds.