The FST-R (Fuel Surge Tank–Regulated) is an all new design that houses a single internal fuel pump and has an integrated fuel pressure regulator machined into the top cap. Assembled with stainless steel hardware.Nickel-Plated Electrical Connector with 24″ Flying Leads.Interchangeable regulator orifice sizes to match output of different pumps.Integrated adjustable fuel pressure regulator with 1:1 vacuum reference.Anodized for compatibility with all fuel types.
#RADIUM FUEL DEALER FULL#
#RADIUM FUEL DEALER UPGRADE#
Installing a surge tank is also an easy way to upgrade the fuel pump of a vehicle without opening or modifying the OEM fuel tank. Excess fuel in the surge tank is returned back to the vehicle’s main fuel tank. In the case of the FST-R, the regulator is built in to the surge tank and is recirculating fuel internally. This volume is maintained by the main fuel tank’s (lift) pump as well as the fuel returning from the fuel pressure regulator. The volume of fuel inside the surge tank acts as a buffer to always keep the FST pump supplied with fuel. The FST fuel pump feeds the fuel rail(s). Actual product may vary.A fuel surge tank (FST) is designed to prevent fuel starvation to the engine on vehicles with inadequate fuel tank baffling. This is common for K-series swapped vehicles, as shown below. NOTE: Minor grinding may be required depending on the intake manifold used.Ī Radium Engineering direct mount regulator (DMR) can be used if the OEM K-series returnless fuel system will not be reused.
The Honda pulse damper and Radium pulse dampers (FPD-XR shown below) can be put on any of the fuel rail ports. If equipped, the OEM fuel pulse damper (shown above) can be reused with the Radium 14-0287 adapter fitting. 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. In order to achieve a safe and consistent rail pressure, pulse damper(s) should be used (especially with high flow injectors). The quick connect inlet fitting clears the coolant hose (if equipped).ĭo I need a pulse damper? The opening and closing of the injectors creates pressure pulses in the fuel rail, which can lead to unstable fuel pressure. This kit is a bolt-on plug and play replacement for the OEM fuel rail. RAD/20-0230-00 Honda K-Series Fuel Rail, OEM Configuration Black Anodized Laser Etched Aluminum Fuel Rail This kit only includes the fuel rail and the mounting hardware making it ideal for custom applications. The OEM plastic spacers are reused and Phenolic washers are included to thermally insulate the fuel rail from the aluminum intake manifold. This kit is compatible with all fuel types including popular alcohol mixtures such as E85.
Like the OEM fuel rails, the injector bores are 14mm ID so factory injectors are permitted. Shown below is an inline RADIUM Fuel Pressure Gauge mounted on the 8AN ORB fitting. For a list of 8AN ORB adapter fittings, go HERE. All 3 ports are machined with 8AN ORB (3/4-16 female) threads. They are CNC machined from extruded 6063 aluminum, media blasted, black anodized, and laser etched for a high quality surface finish. The rail features a large 0.69" internal diameter bore to suit even the most fuel hungry engines.
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