Is it absolutly necessary to lower 850 injectors in a primary fuel rail? My primary fuel rail is modded to except ntp fittings and it looks like if I mill a bit off the top of the the fuel rail my o rings wont seal on top.Can I just mill an 1/8 off the bottom? Ive searched and havent seen anyone with this problem. Maybe lowering the injector will be ok but it looks very close.

THANKS SCOTT