{"product_id":"radium-subaru-ej-fuel-rails-all","title":"Radium Fuel Rails, Subaru EJ, All — Parts \u0026 Options","description":"\u003cp\u003e\u003cstrong\u003eParts are sold separately.\u003c\/strong\u003e Select the exact part number below. Each selection adds only that part to your cart; add other required components separately. Photos and application details may show a complete system or optional accessories.\u003c\/p\u003e\u003ch3\u003eAvailable part numbers\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e20-0568-02 Fuel Rails Top Feed Conversion Subaru EJ — Side Feed Conversion Rails\u003c\/li\u003e\n\u003cli\u003e20-0569-02 Fuel Rails Top Feed Conversion Subaru EJ V3-6 — Side Feed Conversion Rails\u003c\/li\u003e\n\u003cli\u003e20-0579-02 Fuel Rails Top Feed Conversion Subaru EJ V1-2 — Side Feed Conversion Rails\u003c\/li\u003e\n\u003cli\u003e20-0567-02 Fuel Rails Top Feed Upgrade Subaru EJ — Top Feed Upgrade Rails\u003c\/li\u003e\n\u003cli\u003e20-0577-02 Fuel Rails Top Feed Upgrade Subaru EJ Top Port — Top Feed Upgrade Rails\u003c\/li\u003e\n\u003cli\u003e20-0869-02 Fuel Rails Top Feed Upgrade Subaru EJ22\/EJ251 — Top Feed Upgrade Rails\u003c\/li\u003e\n\u003cli\u003e20-0372 Fuel Rail Adapter Ver8\/9 EJ207 EJ253 EJ259 — Optional Parts\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eRadium fuel rails for EJ engines come in two styles. The top feed conversion rails fit OEM side feed manifolds and convert from side feed injectors to universal top feed injectors. The top feed upgrade rail kits install onto manifolds that are factory equipped with top feed injectors and are simply an upgrade of the rail, still accepting the OEM fuel injector.\u003c\/p\u003e\n\u003cp\u003eBefore ordering, make sure that you've matched your intake manifold by model to the correct fuel rail part number and closely follow the fuel injector compatibility information of that fuel rail below to ensure that you order the correct parts.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003ePORTS AND FITTINGS\u003c\/h3\u003e\n\u003cp\u003eThe fuel rail ports are tapped for 8AN ORB fittings.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e8AN ORB Adapter Fittings can be found \u003ca href=\"https:\/\/www.radiumauto.com\/products\/8AN-ORB-Fittings\" target=\"_blank\"\u003eHERE\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003e8AN ORB Direct Mount Regulators can be found \u003ca href=\"https:\/\/www.radiumauto.com\/products\/DMR-RA-Direct-Mount-Regulator\" target=\"_blank\"\u003eHERE\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003e8AN ORB Fuel Pulse Dampers can be found \u003ca href=\"https:\/\/www.radiumauto.com\/products\/Fuel-Pulse-Damper-Direct-Mount-Kits\" target=\"_blank\"\u003eHERE\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eFuel Pressure Gauge Adapters can be found \u003ca href=\"https:\/\/www.radiumauto.com\/products\/Fuel-Pressure-Gauge-0-100psi\" target=\"_blank\"\u003eHERE\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWant a complete engine bay plumbing kit that includes regulator, lines and fittings? Click \u003ca href=\"https:\/\/www.radiumauto.com\/products\/subaru-ej-fuel-rail-plumbing-kits\" target=\"_blank\"\u003eHERE\u003c\/a\u003e. Appropriate fittings must be selected based on the specific application. Ample space around the fuel rail port(s) is necessary for larger accessories such as fuel pressure regulators, fuel pressure gauges, and fuel pulse dampers. To verify clearance, the dimensional drawings on the product pages can be used as a reference guide.\u003c\/p\u003e\n\u003chr\u003e\n\u003cdiv class=\"spec-box3\"\u003e\n\u003ch4\u003e20-0567-02 FUEL RAILS, TOP FEED UPGRADE, SUBARU EJ\u003c\/h4\u003e\n\u003cdiv style=\"float: left; width: 200px;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0887\/4193\/7449\/files\/20-0567-02new_1.jpg\" style=\"width: 200px;\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"poptext\"\u003e\n\u003cp\u003eThese fuel rails have the same mounting and injector spacing as the 20-0577-02. However, these fuel rails feature a 8AN ORB port machined in the underside center of each fuel rail, as shown below. The center port bulge can create an interfere with early AVCS solenoids found in the EJ207 and JDM EJ205. If this is the case, use P\/N: 20-0577-02 instead.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-box3\"\u003e\n\u003ch4\u003e20-0568-02 FUEL RAILS, TOP FEED CONVERSION, SUBARU EJ\u003c\/h4\u003e\n\u003cdiv style=\"float: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0887\/4193\/7449\/files\/20-0568-02n_c1e150db-d0cc-4b53-8f0d-6016736bdbc3.jpg\" style=\"width: 200px;\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"poptext\"\u003e\n\u003cp\u003eEach fuel rail features three 8AN ORB threaded ports (6 total). Press-fit spacers are included to thermally insulate intake manifold heat transfer. Conversion fuel rails convert the OEM side feed fuel injector setup to top feed allowing the use of high flow fuel injectors. The fuel rail injector bores are 14mm ID. Manufactured with a large internal bore, the fuel rails can support all necessary engine power requirements. They are CNC machined from solid 6061 aluminum, black anodized, and laser engraved for a high quality surface finish. The fuel rails are compatible with all fuel types including popular alcohol mixtures such as E85. The four billet injector seats are anodized and laser etched and provide a sealed receptacle for top feed fuel injectors. The seats are designed for injectors with 14mm lower O-rings.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eFuel Injectors are NOT included and must be purchased elsewhere.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-box3\"\u003e\n\u003ch4\u003e20-0569-02 FUEL RAILS, TOP FEED CONVERSION, SUBARU EJ V3-6\u003c\/h4\u003e\n\u003cdiv style=\"float: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0887\/4193\/7449\/files\/20-0569-02n_b4a3d907-c128-4cd2-b8a6-0cbfb724c3bf.jpg\" style=\"width: 200px;\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"poptext\"\u003e\n\u003cp\u003eFor the 20-0569-02 conversion fuel rails, adaptable mounting brackets are included that permits a wide range of Subaru vehicles to be used. Each fuel rail features three 8AN ORB threaded ports (6 total). Press-fit spacers are included to thermally insulate intake manifold heat transfer.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eFuel Injectors are NOT included and must be purchased elsewhere.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-box3\"\u003e\n\u003ch4\u003e20-0577-02 FUEL RAILS, TOP FEED UPGRADE, SUBARU EJ, TOP PORT\u003c\/h4\u003e\n\u003cdiv style=\"float: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0887\/4193\/7449\/files\/20-0577-02_bc03c159-0baa-4cb5-98c4-7e37c8b66a94.jpg\" style=\"width: 200px;\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"poptext\"\u003e\n\u003cp\u003eThese fuel rails have the same mounting, injector spacing and fitment as the 20-0567-02, but each fuel rail has an 8AN ORB port on the top, unlike 20-0567-02 which has a center lower port. The added clearance is necessary for the EJ207 and JDM EJ205 engines that have early AVCS solenoids with vertical connectors.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-box3\"\u003e\n\u003ch4\u003e20-0579-02 FUEL RAILS, TOP FEED CONVERSION, SUBARU EJ V1-2\u003c\/h4\u003e\n\u003cdiv style=\"float: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0887\/4193\/7449\/files\/20-0579-02n_e58ab232-e74a-43d2-a1a8-33dad07a3c37.jpg.jpg\" style=\"width: 200px;\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"poptext\"\u003e\n\u003cp\u003eFor the 20-0579-02 conversion fuel rails, mounting brackets are included that permit a wide range of Subaru vehicles to be used. Each fuel rail features three 8AN ORB threaded ports (6 total). Press-fit spacers are included to thermally insulate intake manifold heat transfer.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eFuel Injectors are NOT included and must be purchased elsewhere.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-box3\"\u003e\n\u003ch4\u003e20-0869-02 FUEL RAILS, TOP FEED UPGRADE, SUBARU EJ22\/EJ251\u003c\/h4\u003e\n\u003cdiv style=\"float: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0887\/4193\/7449\/files\/20-0869_67e51ee2-bcde-4e88-b6d4-c2baedc1b4a2.jpg\" style=\"width: 200px;\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"poptext\"\u003e\n\u003cp\u003eAs shown below, thermal insulating spacers are provided to protect from heat transfer. Each fuel rail has three 8AN ORB threaded ports (6 total). If the OEM fuel pressure regulator needs to be reused, 20-0303 can be used. A Radium Engineering 20-0776 fuel pulse damper can be installed into the center port.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eFuel Injectors are NOT included and must be purchased elsewhere.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eTo eliminate the Subaru air assist feature on the EJ251, the provided O-rings should be installed into the lower groove on the Bosch EV14 injectors.\u003c\/p\u003e\n\u003cp\u003eTo eliminate the Subaru air assist feature on the EJ22 (California spec only), 20-0816 (x4) injector seats as well as 14-0720 (x4) spacers, and flat head M8x1.25x60mm Screws (x4) are required.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-box3\"\u003e\n\u003ch4\u003e20-0372 Fuel Rail Adapter, Ver8\/9 EJ207, 99-09 EJ253, and EJ259\u003c\/h4\u003e\n\u003cdiv style=\"float: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0887\/4193\/7449\/files\/20-0372n.jpg\" style=\"width: 200px;\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"poptext\"\u003e\n\u003cp\u003eThese adapters are required when installing top feed upgrade rail 20-0577-02 on the following vehicles:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e03-06 Subaru Impreza WRX STi (JDM)\u003c\/li\u003e\n\u003cli\u003e04-11 Subaru Impreza (EJ253)\u003c\/li\u003e\n\u003cli\u003e05-10 Subaru Forester (EJ253)\u003c\/li\u003e\n\u003cli\u003e05-12 Subaru Legacy (EJ253)\u003c\/li\u003e\n\u003cli\u003e06-09 Subaru Outback (EJ253)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor more information and installation instructions regarding the 20-0372, go \u003ca href=\"https:\/\/www.radiumauto.com\/products\/fuel-rail-adapter-ver8-9-ej207-99-09-ej253-ej259\"\u003eHERE\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Radium Engineering","offers":[{"title":"20-0568-02 Fuel Rails Top Feed Conversion Subaru EJ","offer_id":67591226818833,"sku":"20-0568-02","price":229.95,"currency_code":"USD","in_stock":true},{"title":"20-0569-02 Fuel Rails Top Feed Conversion Subaru EJ V3-6","offer_id":67591226851601,"sku":"20-0569-02","price":249.95,"currency_code":"USD","in_stock":true},{"title":"20-0579-02 Fuel Rails Top Feed Conversion Subaru EJ V1-2","offer_id":67591226884369,"sku":"20-0579-02","price":249.95,"currency_code":"USD","in_stock":true},{"title":"20-0567-02 Fuel Rails Top Feed Upgrade Subaru EJ","offer_id":67591226917137,"sku":"20-0567-02","price":209.95,"currency_code":"USD","in_stock":true},{"title":"20-0577-02 Fuel Rails Top Feed Upgrade Subaru EJ Top Port","offer_id":67591226949905,"sku":"20-0577-02","price":219.95,"currency_code":"USD","in_stock":true},{"title":"20-0869-02 Fuel Rails Top Feed Upgrade Subaru EJ22\/EJ251","offer_id":67591226982673,"sku":"20-0869-02","price":229.95,"currency_code":"USD","in_stock":true},{"title":"20-0372 Fuel Rail Adapter Ver8\/9 EJ207 EJ253 EJ259","offer_id":67591227015441,"sku":"20-0372","price":49.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0919\/3681\/7425\/files\/20-0567-02new.jpg?v=1790638104","url":"https:\/\/autoshopactive.com\/products\/radium-subaru-ej-fuel-rails-all","provider":"Auto Shop Active","version":"1.0","type":"link"}