The aluminum Radium Engineering fuel rail is machined and anodized for a compatibility with all fuel types including E85. Manufactured with a large internal bore, the fuel rail can support all necessary engine power requirements.
It is compatible with OEM and aftermarket direct fitment fuel injectors. It features a large 0.65" internal bore with -8AN ORB (3/4-16 O-ring) threaded ports at each end and 3/8" NPT female center port to accept a variety of adapter fittings for custom high flow fuel system builds. It is compatible with all fuel types including popular alcohol mixtures such as E85.
This configuration includes all the parts shown in the picture above. This makes for a complete OEM fuel rail replacement for the E46 M3 chassis. NOTE: This OEM Ccnfiguration kit does NOT work in any other S54 vehicle.
1x Radium fuel rail
2x Anodized mounting feet
4x Stainless steel hardware
1x 8AN ORB plug
1x 3/8" NPT plug
1x 6AN male adapter
1x PTFE fuel feed hose
1x SAE adapter to attach to FPR (shown below)