Use the tall spacers and longer mounting bolts to accomodate this size injector:īelow are some of the many fuel injectors that are a direct fitment with this Radium fuel rail kit using the tall spacers: The spacers are machined from phenolic material and offer excellent resistance to heat transfer. The kit includes 2 sets of phenolic spacers (shown above in the kit contents) to suit multiple height injectors. Fittings can be purchased separately using the options above. NOTE: This fuel rail does NOT come standard with fittings. Stainless Steel Mounting Bolts, Tall (x2) Stainless Steel Mounting Bolts, Short (x2) Phenolic Mounting Bolt Spacers, Tall (x2) Phenolic Mounting Bolt Spacers, Short (x2) The basic kit 20-0157 includes everything shown in the picture below: The rail is CNC machined from solid 6061 aluminum and black anodized for a high quality surface finish. The Radium fuel rail converts the OEM side feed fuel injector setup to top feed allowing the use of high flow 14mm O-ring fuel injectors (not included). It features a large 0.69" internal diameter bore to suit even the most fuel hungry engines. This Radium Engineering fuel rail kit is a direct bolt-on with all twin cam KA24DE engines commonly found in the Nissan S13 and S14 240SX chassis. Part numbers 20-0623-00/-01 include only the parts shown in the photo below.Click Here to Download Installation Instructions (PDF) This is not a sign of a malfunctioning regulator. It is not uncommon for pressure to bleed down when the fuel pump is turned off. For a 3AN vacuum signal adapter fitting, CLICK HERE.ģ. Compatible with all gasoline and ethanol blends of fuel.Ģ. This design has been tested to regulate over 1,200 liters per hour (see MORE DETAILS tab).ġ. See the installation instructions for more details. Furthermore, this added precision will resist diaphragm flutter and optimize pressure stability. This permits the DMR to be used with practically any horsepower engine. Two interchangeable orifices are included with calculated flow diameters to match the fuel pump flow to the regulator. Two 1/8" NPT plugs are provided.įuel pressure is dialed in using the preloaded set screw on top of the regulator. Unlike the previous generation, this DMR has two 1/8" NPT side port locations that can be used with a pressure gauge, transducer, temperature probe, etc. Other adapter fittings can be installed in the return port if needed (sold separately). The provided 90 degree 6AN male fuel return fitting (shown below) can swivel 360 degrees permitting a multitude of mounting configurations. The return port on the bottom is threaded for 6AN ORB. If mounting the regulator off-rail, other adapters can be screwed into this port on the regulator. Other swivel adapters will be made available in the future. A swiveling double ended adapter (shown below) is included with the kit that allows the regulator to be used in any compatible 8AN ORB fuel rail port, such as those found Radium Engineering fuel rails. The main inlet port on the regulator is female threaded for 6AN ORB. This regulator is safe to use with E85 and other alternative fuels. The compact size fits in areas with limited space, without sacrificing performance. It can be mounted directly to a compatible fuel rail port using the included 360 degree swiveling adapter, or mounted remotely away from the fuel rail. The Radium Direct Mount Regulator (DMR) is a compact high peformance adjustable EFI fuel pressure regulator designed with a unique highly versatile mounting system. RADIUM DIRECT MOUNT FUEL PRESSURE REGULATOR
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