Fuel Rail for Mazda 13B-R Secondary Radium Engineering

The fuel rail ports are tapped for 8AN ORB.

8AN ORB Adapter Fittings
8AN ORB Direct Mount Regulators 
8AN ORB Fuel Pulse Dampers
Fuel Pressure Gauge Adapters

The Radium Engineering high flow secondary fuel rail is for the 13B-RE rotary engine originally found in the 1990-1995 Mazda/Eunos Cosmo. 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. Like the stock fuel rail, the rail features 11mm injector bores permitting the use of OEM fuel injectors 

Instruction PDF