Description
OVERVIEW
This large bore fuel rail features a large 0.69" diameter internal bore. It uses all 5 OEM mounting bosses. The fuel rail is machined, anodized, and laser etched for a high quality surface finish.
This basic setup does not include fittings. Replacement vacuum tubing is included to simplify and eliminate the OEM hard lines during installation (refer to install instructions).
PORTS AND FITTINGS
The large fuel rail ports are tapped for 8AN ORB fittings. The small OEM regulator port is also tapped for 1/8 NPT, to be used with a gauge or a plug when running an aftermarket fuel pressure regulator in a different location.
Appropriate fittings must be selected based on the specific application. Ample space around the fuel rail port(s) is necessary for larger accessories such as fuel pressure regulators, fuel pressure gauges, and fuel pulse dampers.
FUEL INJECTORS
There are two type of fuel rails made by Radium: upgrade rails and top feed conversion rails. Upgrade rails only upgrade the rail and the OEM fuel injectors can be reused. If an upgrade to the injectors is desired, they must be equivalent to the OEM injector, meaning they must be the same height and the upper & lower O-rings must match the OEM diameters and styles. Top feed conversion rails are used to convert a vehicle that has side feed (or sometimes air-assist) injectors over to a top feed injector.
This fuel rail is an upgrade rail. OEM or OEM equivalent injectors must be used.
Radium does not make fuel injector recommendations.
- Consult your tuner for injector brand or flow rate recommendations.
- Consult the injector manufacturer for a part number that has the correct dimensions.
INCLUDED
20-0591-02 Fuel Rail, S2000, 00-05
- Anodized billet aluminum fuel rail
- Vacuum hose
COMPATIBILITY
- 00-05 Honda S2000
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