Radium: Fuel Rail Top Feed Conversion Mazda 13B Primary
The Radium Engineering high flow primary fuel rail is for the 13B-RE and 13B-REW rotary engine found in the 90-95 Mazda/Eunos Cosmo and 92-02 Mazda RX7 FD3S. 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.
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.
An injector with the following dimensions must be used when installing this rail. The o-rings must be 14mm and the height must be the short 34mm body height shown.
Many injector manufacturers will offer injectors in this height and o-ring style
Stock Images Used. Actual Product May Vary.