besides the h23 head gasket that i need what else do i need to do..

 

look in the PRELUDE faq. i think u need the h22 waterneck, thero housing and headbolts and u gotta pull the oil jet outta the block too

 

alright thanks

 

Start here:

https://honda-tech.com/zerothread?id=510617

When you're done, read it again.

And heads up, you'll need the H22 head gasket, along with the h22 parts of everything the timing belt touches + some other stuff. That thread is a good start though.