Valve cover difference's!!
 

I heard that the valve cover's from 94-01 are all interchangeable. But I noticed the 97-01 one has two outputs(like for emissions)on the exterior and the other 94-96 has only one. What needs to be done to a 94 valve cover to work on a 99 integra? Thanks

The valve cover on my GSR has only one outlet and that is for the oil breather back to the intake...other than the 4 spark plug holes.

I am not sure what you are talking about but I think all VTEC B series motors can use the same valve covers.

Sorry I ment for non-vtec valve cover.

i dont know the difference. I have an rs integra and their valve covers are different than the special editions and the ls integras. Mine is more round where they other valve covers are boxy looking. To my knowledge they are interchangeable.

they will all bolt up fine among B18B's...but the PCV hose thing is connected to the valve cover on the OBD-II engines, but below the valve cover on OBD-I engines.

96+ has the pcv valve on the valve cover and 90-95 has it on the manifold which has a hose that attaches to the block, if you want to use a 96+ valve cover you need to plug the hole.

Within the same model year, they are all the same cover. There are no differences between the RS and the LS/GS/SE cover of the same model year.