COSMO MODELS

Radium Engineering Fuel Rail, Mazda 20B-REW Secondary

Click here to download installation instructions (PDF) PORTS AND FITTINGS The fuel rail ports are tapped for 8AN ORB. Appropriate fittings must be selected based on the specific application. Ample space around the fuel rail port(s) is...

Radium Engineering Fuel Rail, Mazda 20B-REW Secondary, 6-Port

Click here to download installation instructions (PDF) PORTS AND FITTINGS The fuel rail ports are tapped for 8AN ORB. Appropriate fittings must be selected based on the specific application. Ample space around the fuel rail port(s) is...

Radium Engineering Fuel Rail, Top Feed Conversion, Mazda 20B-REW Primary

Click here to download installation instructions (PDF) Click here to download installation instructions (PDF) PORTS AND FITTINGS The fuel rail ports are tapped for 8AN ORB. Appropriate fittings must be selected based on the specific...

Radium Engineering Injector Seats for Mazda Top Feed Fuel Rails

Click here to download installation instructions (PDF).These are the same machined aluminum injector seats used in Radium fuel rails for Mazda/Eunos Cosmo and RX-7 rotary engines. They are required when converting the OEM 16mm injector seat's counterbore...