These should fit in a stock b16 runner right? The ones I just received don't seem to want to fit in due to that big *** o-ring on them, and I havn't even installed the injector seats yet. What do you guys recommend? I am considering just seating them and tighting the rail nuts to force them in. I just don't want to strip out the studs in the intake manifold (I have done/seen this on several manifolds)

 

use the oem injector seals and they should slide right into the rail

 

will they seal up correctly with the oem o-ring?

 

yes

 

I have them and yes use the oem o-ring