Steam line vent kit....
Post more pics when its installed maybe I'm wrong

Mostly hidden by intake anyway I guess.
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Most of the swaps I've seen go there or to a fitting in the upper hose.
Beings the steam/vent lines are on the pressure side, it will be fine.
I went with this kit
http://www.ebay.com/itm/LS1-Steam-Port-AN-4-Fittings-with-Bypass-Hose-Kit-In-Black-Finish-/221255138423?pt=Race_Car_Parts&hash=item3383d57c77&vxp=mtr#ht_318wt_1160












