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Radium Secondary Top Feed Conversion Mazda 13B

Radium Secondary Top Feed Conversion Mazda 13B

Regular price $189.95 USD
Regular price Sale price $189.95 USD
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The fuel rail has three ports that are tapped for 8AN ORB.

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.

With the use of the provided 2AN ORB plugs, this adaptable design permits both the OEM 2-port intake manifold (shown above) and aftermarket 4-port intake manifolds 

The aluminum fuel rail is anodized black for compatibility with all popular fuel types including E85. Manufactured with a large internal bore, the fuel rail can support all necessary engine power requirements.

For the OEM 2-port intake manifold, the included 20mm insulating spacers, billet injector seats, and 2AN ORB plugs will be used. Also, for the required space, an air control valve delete for the OEM 13B-REW intake manifold (sold separately) is required


Below are some of the many fuel injectors that are a direct fitment with this fuel rail:

Injector Dynamics ID1050-XDS-60-14-14
Injector Dynamics ID1300-XDS-60-14-14
Injector Dynamics ID1700-XDS-60-14-14
Injector Dynamics ID2600-XDS-60-14-14 

NOTE: Fuel Injectors are NOT included and must be purchased elsewhere.


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