Remote Mount Fill Neck for the CFC Unit The Remote mount fill neck for the CFC Unit lets you connect a 50mm (2") internal diameter fuel fill hose to your fuel cell equipped with a Nuke Performance CFC Unit. The Nuke Performance CFC Units feature a low-profile filler cap. To connect a fuel filler hose for a remote filler cap, an additional fill neck adapter is required. This adapter enables the use of a 50mm (2") internal diameter fuel filler hose to connect directly to the fuel cell. 50mm (2") filler hose adapter for the CFC Unit Safe for all types of fuel, including alcoholic fuels Viton O-ring gives a safe and secure installation Fits perfectly for the Nuke Performance fuel filler hose Remote mount fill neck for the CFC Unit includes: 1x Remote mount fill neck for 50mm (2") ID fuel hose 1x Viton O-ring