This fuel rail features four ports (both ends and two on the bottom) that are female tapped for 8AN ORB fittings. This correction can be measured throughout the RPM range and can often help an erratic surging idle.Description: Radium Engineering Toyota 2JZ-GE Fuel Rail The internal diaphragm will absorb oscillation pulses and stabilize fuel pressure. Shown below is the fuel rail installed on a 2JZ with VVTi.ĭo I need pulse dampers? The opening and closing of the injectors creates pressure pulses in the fuel rail, which can lead to unstable fuel pressure. In order to achieve a safe and consistent rail pressure, a fuel pulse damper should be used (especially with high flow injectors). 20-0216-06 Toyota Injector Seat Kit, 6 Cylinder Stainless Steel Mounting Feet Bolts (x4) Black Anodized Aluminum Mounting Feet, Tall and Short Black Anodized Laser Etched Aluminum Fuel Rail This can secure to the rear port and reuse the OEM fuel feed banjo bolt. To reuse the factory fuel feed line, select 14-0285 8AN ORB to M12x1.25mm Female Fitting. Check for firewall clearance if mounting on the rear port. If securing to the front port, modification to the Traction Control TPS sensor is required when using the tall spacers. To reuse the OEM fuel pressure regulator, select the 20-0301 (shown below). To permit increased throttle body clearance, we recommend using the short spacers in conjunction with the injector sizing described below:īelow are some of the many fuel injectors that are a direct fitment with this Radium fuel rail kit using the short spacers:
Use the tall spacers to accomodate this size injector:īelow are some of the many fuel injectors that are a direct fitment with this Radium fuel rail kit using the tall spacers: These seats include O-rings to prevent boost pressure leaks. They are CNC machined billet aluminum, anodized, and laser etched. Below are some of the many fuel injectors that are a direct fitment with this Radium fuel rail kit. The fuel injector bores and the included press-fit injector seats are designed for 14mm injector O-rings.
The anodized aluminum mounting feet secure the fuel rail to the intake manifold reusing the OEM Toyota thermal insulating spacers (P/N: 90561-08009). The Radium fuel rail converts the OEM side feed fuel injector setup to top feed, allowing the use of high flow fuel injectors (NOT INCLUDED). The kit includes 2 different sets of mounting feet allowing various height fuel injectors to be used (tall spacers shown below). This kit is compatible with all fuel types including popular alcohol mixtures such as E85. All ports are tapped with 3/4"-16 female threads (-8AN ORB).Īs shown below, if the kit was purchased after Jthe fuel rail features 2 bottom ports (4 ports in total). The extruded rail features a large 0.69" internal diameter bore to suit even the most fuel hungry engines. They are CNC machined from a custom 6063 aluminum, media blasted, black anodized, and laser etched for a high quality surface finish.
Radium fuel rail 2jz download#
This item is included in the Fuel Delivery System, Toyota MK4 Supra, check it out!Ĭlick Here to download installation instructions (PDF)Ĭompatible with all Toyota 2JZ-GTE engines (VVTi and non-VVTi)
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