
Radium Top Feed Fuel Rail for Toyota Supra 2JZ-GTE
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. All 3 ports (2 end ports and 1 center port) are tapped with 3/4"-16 female threads (-8AN ORB), as shown below. 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 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 kit is designed for specific upper and lower O-ring spacing, as depicted above. The included press-fit injector seats are designed for 14mm lower injector O-rings. 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