Make sure these are present before beginning installation. IMPORTANT: The fuel rail re-uses the factory mounting bolts and plastic spacers. NOT compatible with the 2JZ-GTE (Turbo) engine. For flexibility, the fuel rail features four 8AN ORB ports and is compatible with all fuel types including popular alcohol mixtures such as E85. They are CNC machined from 6063 aluminum, black anodized, and laser etched for a high quality surface finish. 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. To verify clearance, the dimensional drawings on the product pages can be used as a reference guide. 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. However, the front port is not useable unless the OEM engine harness is modified.Īppropriate fittings must be selected based on the specific application. When choosing fitting sizes will come with 3 fittings 2 feed and one return.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. The internal diaphragm will absorb oscillation pulses and stabilize fuel pressure. 20-0216-06 Toyota Injector Seat Kit, 6 Cylinderĭo 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). Stainless Steel Mounting Feet Bolts (x4) Black Anodized Laser Etched Aluminum Fuel Rail This kit is compatible with all fuel types including popular alcohol mixtures such as E85. The included anodized aluminum mounting feet secure the fuel rail to the intake manifold reusing the OEM thermal insulating spacers. Different height injectors can be used, but longer spacers and hardware may be required. Here is a list of some of the more popular compatible injectors: Unlike others on the market, 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 included press-fit injector seats are designed for 14mm lower injector O-rings.
The kit is designed for specific upper and lower O-ring spacing, as depicted above. The fuel injector bores are 14mm ID. Note: Top feed fuel injectors designed for 11mm bores can be used by switching the top O-rings to 14mm style O-rings. 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). All 3 ports (2 end ports and 1 center port) are tapped with 3/4"-16 female threads (-8AN ORB), as shown below. 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.
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