Radium FCST-X 3-Bolt Remote Mount Fill Neck - 24AN Elbow - 1.5" BarbThis fill neck is primarily used with a body mounted remote filler (see 20 0505 V). The 24AN fill neck mates to a 24AN hose end capable of 360 degree rotation. It features a 75 degee elbow and uses a 1. 5in barb (filler hose available). A bespoke 1 7 8in aluminum wrench is provided for tightening the B nut and prevent marring. The fill neck features a flapper check valve for rollover protection. Notes: Only suitable for Radium FCST X (older FCST are