Radium Engineering fuel rail is compatible with factory or OEM equivalent fuel injectors. If upgrading fuel injectors, consult your aftermarket injector supplier for details. Radium Engineering cannot specify any further injector dimensions other than stating ‘OEM equivalent’.
These H-6 fuel rails are for the EZ30 (Phase-II) and EZ36 flat 6 engines.
As shown below, they are compatible with AVCS.
As shown below, there is ample clearance with the nearby AVCS solenoid.
As shown below, each fuel rail has three 8AN ORB threaded ports (6 total).