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Radium Engineering secondary fuel rail for the Mazda 13B-RE rotary engine is an anodized black aluminum rail with a large internal bore to support high-flow needs and compatibility with E85. The rail retains 11mm injector bores for OEM injectors and is intended as a high-flow upgrade for the 1990–1995 Mazda/Eunos Cosmo secondary feed system, supporting increased fueling demands.
Radium Engineering Mazda 13B-RE Secondary Fuel Rail
