FUEL INJECTOR COMPATIBILITY This 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’. 20-0112-PK Fuel Rail Plumbing Kit, EVO X This option includes everything shown in the picture below and allows easy hookup to the factory feed line and re-uses the factory fuel pressure regulator.-1x  20-0290 5/16in SAE to 6AN Male fitting to adapt the incoming fuel line to 6AN male near the firewall.-1x  Pre-fabricated 24" long 6AN PTFE hose with 45deg and 90deg swivel ends is included to replace the OEM fuel line.-1x  14-0151 8AN ORB to 6AN Male Fitting to adapt the 6AN hose to fuel rail inlet port.-1x  20-0301 FPR Adapter is included for the outlet port permitting the reuse of the OEM pressure regulator.-1x  14-0150 8AN ORB Plug is included for the top port. Instructon PDF