I am pretty sure that it wont fit. It may look like it will but there are subtle differences that do not make it a strickly bolt on affair.

http://www.team-integra.net/forum/di...0&ThreadPage=1

Its too bad a lot of the pics are lost. You can see that the coolant passages as well as the bolt patterns are a bit different in the gaskets. Here is another comparison.

http://www.team-integra.net/sections...ArticleID=1008

You will probably gain some top end power but will sacrfice low end power. It would probalby be a lot easier to get a skunk 2 or blox intake manifold designed for the ls.