CNC fully ported to the maximum the casting will allow. 65mm throttle body hole. They are CNC port matched to our cnc stage 4 lower intake. Surfaced flat, de-burred and cleaned- ready to install! Any application OTHER than 87-88 turbocoupe includes our phenolic spacer to clear non-dipped valvecover and make same height as factory"tall" upper intakes.  Note that 90 degree rotation option will interfere with most factory driver side location alternators.