Radium Fuel Rail - BMW 3 Series M3 E36/330i E46/Z4 E85 (M50/M52/M54/M56/S50/S52) boost Controller The hardened version is rated

The hardened version is rated to 25 Rockwell

Part number: AR202-5403

NO FITTINGS ARE INCLUDED

24 retainers and 12 spring bases for the exhaust side to even up the install heights

Radium Fuel Rail - BMW 3 Series M3 E36/330i E46/Z4 E85 (M50/M52/M54/M56/S50/S52) boost Controller The hardened version is ratedThis Radium Engineering fuel rail is CNC machined from extruded 6063 aluminum, black anodized, and laser etched for a high quality surface finish. They are compatible with all fuel types including popular alcohol mixtures such as E85. Like the OEM fuel rail, the fuel injector bores are 14mm ID so factory injectors can be used, or any aftermarket injector with the same height and O rings sizes. Furthermore, provisions for the OEM injector retaining