Radium Engineering Fuel Rail, Honda D-Series - 20-1070
COMPATIBILITY
- Honda D15B
- Honda D15Z
- Honda D16A
- Honda D16B
- Honda D16Y
- Honda D16Z
- Honda SOHC ZC
- Honda DOHC ZC
Fitment with aftermarket intake manifolds is not tested and cannot be verified. These fuel rails follow OEM mounting and positioning.
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.
OVERVIEW
20-1070 Fuel Rail, Honda D-Series
Manufactured with a large internal bore, the fuel rail can support all necessary engine power requirements. They are CNC machined from 6061 aluminum, anodized, and laser etched for a high quality surface finish. Like the OEM fuel rails, the injector bores are 11mm ID so factory injectors, or any equivalent aftermarket injector, can be used.
This fuel rail has 4 ports that are tapped with 7/8”-14 threads to accept 8AN ORB male fittings.
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. To verify clearance, the dimensional drawings on the product pages can be used as a reference guide.
Looking for more Radium? Check out the complete range HERE.
Looking for Radium Instructions? Find the complete list of instructions HERE.
Pairs well with
Radium Engineering Fuel Rail, Honda D-Series - 20-1070
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