The EVO X 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.
OEM Configuration This option includes everything required to simply unbolt and replace the OEM fuel rail. First, an 14-0144 5/16" SAE to -6AN Male fitting is included to adapt the incoming fuel line to -6AN near the firewall. Next, a pre-fabricated ethanol compliant 23" long -6AN PTFE hose with a 90deg ends (one swiveling) is included to replace the OEM fuel line. The Radium 14-0125 FPR Adapter is included for the 3/8" NPT female end of the rail. This adapter allows for the use of the OEM fuel pressure regulator.
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