Porting Hot Air Throttle Body's

[HotAirWH1]

Thinking of shipping out a hot air throttle body to Altered Machine and have it ported to 62mm. The throttle body in question has the two pressed in brass fittings to the IAC missing. Are these something that can be left out or would I need to send Altered Machine a TB with the fittings in place. I tried to remove these brass fittings from a "parts" TB, but can't get them out. I have other unmolested TB's I could send to Altered Machine, but would rather use this one if the missing brass fittings won't have any adverse effect on the performance of the newly ported TB. What is the purpose for the fittings anyhow? Another question - the brass fittings stick up into the TB so won't these be machined flush during the porting?