Radium Engineering Aftermarket Configuration Fuel Rail Kit Mitsubishi Evo 8 & 9 2003-2006
The EVO VIII / IX Billet Fuel Rail features a large 0.69" ID bore to suit even the most fuel hungry engines. The rail is CNC machined from solid 6061 aluminum and black dipped anodized for a high quality surface finish. It is compatible with all fuel types including popular alcohol mixtures such as E85. Below is a size comparison with the OEM restrictive fuel rail.
The Radium fuel rail is the first and only on the market to support an (optional) fuel pulsation damper. 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 pulse damper should be used (especially with high flow injectors). The internal diaphragm will absorb oscillation pulses and stabilize fuel pressure. This correction can be measured throughout the RPM range and can often help an erratic surging idle.
Aftermarket Configuration This option utilizes an injector fuel pulse damper that installs on the 3/8" NPT port in replace of the billet FPR adapter. This setup requires an externally mounted regulator, such as the Radium MPR. For flexibility, it also includes a -6AN and -8AN male adapters that can be used on either the inlet or top 3/4"-16 ports. Custom hoses will need to be made.
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