Wiring Specialties Radium Top Feed Fuel Rail Kit for 2JZGE (20-0371)
Wiring Specialties Radium Top Feed Fuel Rail Kit for 2JZGE (20-0371)
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INCLUDED
- Black Anodized Laser Etched Aluminum Fuel Rail
- Injector Seats for Toyota Air Assist Manifolds (x6) NOTE: This fuel rail does NOT come with fittings! Unused ports must be plugged. PORTS AND FITTINGS
- The 4 fuel rail ports are tapped for 8AN ORB
- Optional 8AN Plugs are available here 14-0150 8AN ORB Plug
Specifications
The Radium fuel rail for the 6-cylinder Toyota 2JZ-GE (Non-Turbo) engine is manufactured with a large 8AN ORB internal bore supporting all horsepower requirements. They are CNC machined from 6063 aluminum, black anodized, and laser etched for a high quality surface finish. For flexibility, the fuel rail features four 8AN ORB ports and is compatible with all fuel types including popular alcohol mixtures such as E85. NOT compatible with the 2JZ-GTE (Turbo) engine. If looking for the Toyota 2JZ-GTE fuel rail, click HERE. IMPORTANT: The fuel rail re-uses the factory mounting bolts and plastic spacers. Make sure these are present before beginning installation. INFORMATION REGARDING OEM FUEL PRESSURE REGULATOR Late model 2JZ-GE vehicles use a returnless fuel system where the fuel pressure regulator (FPR) is integrated into the pump assembly. However, early model 2JZ-GE vehicles use a traditional fuel system with the FPR mounted directly to the fuel rail. For these setups, an aftermarket fuel pressure regulator will be required. Read more FUEL INJECTOR FITMENT OEM TOYOTA INJECTORS ON 2JZ-GE ENGINES The Radium Engineering fuel rail features 11mm injector bores making it compatible with ALL factory Toyota 2JZ-GE (Non Turbo) fuel injectors. This includes non VVT-i and VVT-i engines as well as air-assist and non air-assist injectors. No modifications are needed. If preparing to use aftermarket fuel injectors, read below. AFTERMARKET INJECTORS ON 2JZ-GE ENGINES (WITHOUT AIR-ASSIST) For engines that do NOT use Toyota air assist equipment, use your preferred injector manufacturer's suggestion for OEM equivalent fuel injectors. DO NOT USE THE INJECTORS LISTED BELOW WHICH ARE FOR AIR-ASSIST ENGINES ONLY. AFTERMARKET INJECTORS ON 2JZ-GE ENGINES WITH AIR-ASSIST Late model (and California-spec) 2JZ-GE engines use Toyota air-assist emissions equipment. These engines use a unique OEM fuel injector that is not replicated in the aftermarket. Air-assist intake manifolds require the Radium injector seats in order to use universal aftermarket fuel injectors, as shown in the picture below. When the provided Radium injector seats are installed into these air-assist intake manifolds, an aftermarket injector that is 60mm long with 11mm upper O-ring and 14mm lower O-ring must be used. The following universal injectors have been verified to be compatible, however there are others on the market that will work that are not listed here. Injector Dynamics ID1050x-60-11-14 Injector Dynamics ID1300x-60-11-14 Injector Dynamics ID1700x-60-11-14 Injector Dynamics ID2000-60-11-14
FAQs
FUEL INJECTOR FITMENT OEM TOYOTA INJECTORS ON 2JZ-GE ENGINES The Radium Engineering fuel rail features 11mm injector bores making it compatible with ALL factory Toyota 2JZ-GE (Non Turbo) fuel injectors. This includes non VVT-i and VVT-i engines as well as air-assist and non air-assist injectors. No modifications are needed. If preparing to use aftermarket fuel injectors, read below. AFTERMARKET INJECTORS ON 2JZ-GE ENGINES (WITHOUT AIR-ASSIST) For engines that do NOT use Toyota air assist equipment, use your preferred injector manufacturer's suggestion for OEM equivalent fuel injectors. DO NOT USE THE INJECTORS LISTED BELOW WHICH ARE FOR AIR-ASSIST ENGINES ONLY. AFTERMARKET INJECTORS ON 2JZ-GE ENGINES WITH AIR-ASSIST Late model (and California-spec) 2JZ-GE engines use Toyota air-assist emissions equipment. These engines use a unique OEM fuel injector that is not replicated in the aftermarket. Air-assist intake manifolds require the Radium injector seats in order to use universal aftermarket fuel injectors, as shown in the picture below. When the provided Radium injector seats are installed into these air-assist intake manifolds, an aftermarket injector that is 60mm long with 11mm upper O-ring and 14mm lower O-ring must be used. The following universal injectors have been verified to be compatible, however there are others on the market that will work that are not listed here. Injector Dynamics ID1050x-60-11-14 Injector Dynamics ID1300x-60-11-14 Injector Dynamics ID1700x-60-11-14 Injector Dynamics ID2000-60-11-14
