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REMOTE MOUNT FUEL FILLER
A remote mounted fuel filler is NOT located directly on the fuel tank or fuel cell, but rather somewhere else on the vehicle, such as the fender. See this blog article for more information on fuel cell filling
20-0505-V Remote Mount Fuel Filler, 1.5in, Vented
The fuel filler typically secures to the vehicle body. The vented fuel cap has roll-over protection if the vehicle ever becomes inverted. The fill neck has a machined hose barb connection for 1.5" filler hose (available HERE). The outer diameter is 4.75" and uses 4.25" P.C.D for the five M5 bolts. Total height is 4.1". Requires a 77mm (3.03") hole to be fabricated.
Included:
-Vented Cap with Roll-Over Protection
-Flanged Fill Neck for 1.5" ID Hose
-Ozone/Flame Resistant Gasket
-Anodized Aluminum Nut Ring
-Stainless Steel M5 Bolts
Notes:
1. Does not include accessories to connect to the fuel tank.
2. Can be upgraded later to a dry break using Radium 20-0549-V.
20-0504-V Dry Break, 1.5in, Female, Remote Mount, Vented
This fuel filler typically secures to the vehicle body. The vented fuel cap has roll-over protection if the vehicle ever becomes inverted. The fill neck has a machined hose barb connection for 1.5" filler hose (available HERE). The components, materials, and seals are compatible with all fuel types (unleaded and leaded gasoline, diesel, AV gas, methanol, ethanol, E15, E85, etc.). The outer diameter is 4.75" and uses 4.25" P.C.D for the five M5 bolts. Total height is 4.1". Requires a 77mm (3.03") hole to be fabricated.
Included:
-20-0549-V Dry Break, 1.5in, Female, Vented
-Flanged Fill Neck for 1.5" ID Hose
-Ozone/Flame Resistant Gasket
-Anodized Aluminum Nut Ring
-Stainless Steel M5 Bolts
Notes:
1. Does not include accessories to connect to the fuel tank.
2. Is compatible with the simple fuel cap (Radium 20-0548-V Fuel Cap, Remote Mount, Vented).
Specifications:
Filler Hose Requirement: 1.5"
Flange Outer Diameter: 4.75"
Bolt Circle Diameter: 4.25" PCD
Height: 4.08" (Dry Break to Barb)
Mate: 20-0496 Dry Break, 1.5in, Male
There are remote fill necks below specific to both the FCST and the FCST-X.
FCST (ONLY) REMOTE MOUNT FILL NECKS
The fill necks below are specific to the following FCSTs ONLY: 20-014X-XX, 20-049X-XX, 20-069X-XX, and 20-099X-XX. NOTE: Remote mount fill necks for the newer FCST-X (20-199X-XX) can be found towards the bottom of this page.
20-0547 FCST 6-Bolt, Remote Mount Fill Neck, 24AN Elbow, 1.5in Barb
This 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 1.5" barb (filler hose available HERE). A bespoke 1-7/8" aluminum wrench is provided for tightening the B-nut and prevent marring. The fill neck features a flapper check valve for rollover protection.
Included:
-24AN Flanged Fill Neck
-24AN Hose End Elbow for 1.5" ID Hose
-Aluminum Wrench, 1-7/8"
-FKM Gasket Flange Seal
-FKM Flapper Valve
-Stainless Steel Hardware
Note: Does not include filler hose, fuel cap, etc.
20-0527 FCST 6-Bolt, Remote Mount Fill Neck, Straight, 1.5in Barb
This fill neck is primarily used with a body-mounted remote filler (not included). The fill neck has a machined hose barb connection for 1.5" filler hose (available HERE). The fill neck features a flapper check valve for rollover protection.
Included:
-Flanged Fill Neck for 1.5" ID Hose
-FKM Gasket Flange Seal
-FKM Flapper Valve
-Stainless Steel Hardware
FCST-X (ONLY) REMOTE MOUNT FILL NECKS
The fill necks below are specific to the FCST-X ONLY (20-1990-XX, 20-1991-00, 20-1992-XX, 20-1993-00, 20-1995-00).
NOTES:
1. Remote mount fill necks for the older FCST (20-014X-XX, 20-049X-XX, 20-069X-XX, and 20-099X-XX) can be found above.
2. The remote mount fill necks do not require a flapper valve. The roll over valve is integrated into the FCST-X.
20-1047 FCST-X 3-Bolt, Remote Mount Fill Neck, 24AN Elbow, 1.5in Barb
This 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 1.5" barb (filler hose available HERE). A bespoke 1-7/8" aluminum wrench is provided for tightening the B-nut and prevent marring. The fill neck features a flapper check valve for rollover protection.
Included:
-24AN Flanged Fill Neck
-24AN Hose End Elbow for 1.5" ID Hose
-Aluminum Wrench, 1-7/8"
-FKM O-ring Seal
-Stainless Steel Hardware
Note: Does not include filler hose, fuel cap, etc.
20-1027 FCST-X 3-Bolt, Remote Mount Fill Neck, Straight, 1.5in Barb
This fill neck is primarily used with a body-mounted remote filler (not included). The fill neck has a machined hose barb connection for 1.5" filler hose (available HERE). The fill neck features a flapper check valve for rollover protection.
Included:
-Flanged Fill Neck for 1.5" ID Hose
-FKM O-ring Seal
-Stainless Steel Hardware
20-0597 Fuel Fill Neck Hose Kit, 1.5in
This hose is convoluted permitting tight bends, as depicted below. The helical wires resist hose kinking.
It is compatible with all fuel types and has a long life span.
20-0597 HOSE SPECIFICATIONS
Inner Diameter: 1.5" (38mm)
Wall Thickness: 0.176" (4.47mm)
Length: 3 feet (914mm)
Working Pressure: 20-psi maximum
Burst Pressure: 90-psi mimimum
Bend Radius: 5" minimum
Tube Construction: Nitrile
Reinforcement: Synthetic Fabric
Flex: Two Embedded Helical Wires
Cover: Neoprene Coated Fabric
Temperature Range: -40F to 212F
Standards: SAE 30R5
Made in USA 
20-0602 Fuel Fill Neck Hose Kit, 1.5in, Clear
This fill hose is perfect for applications that need a visualization of the fuel dynamically filling. Depending on the fuel type used, the clear hose may become cloudy and translucent overtime. Unlike the black reinforced filler hose, this clear hose should be inspected occasionally and replaced if needed.
20-0602 HOSE SPECIFICATIONS
Inside Diameter: 2.25" (57mm) ID
Wall Thickness: 0.2" (5mm)
Length: 3 feet (914mm)
Max Pressure: 20-psi @ 72F
Bend Radius: 8" minimum
Temperature: -20F to 160F
Durometer: 60A
20-0548-V Fuel Cap, Remote Mount, Vented
This is replacement vented fill cap. This is included with 20-0505-V and is compatible with 20-0504-V.
20-0360 FCST, 6-Bolt, Filler Block-Off
This kit blocks off the filler hole on the Radium FCST units.
Included:
-Machined and Anodized Aluminum Blank Plate
-FKM Gasket Flange Seal
-Nylon Sealing Washers
-Stainless Steel Hardware
18-0019 FCST, 6-Bolt, Gasket, Fill Neck, 2.18" BC
This gasket is used for Radium fuel cell fill necks. The 1/16" thick material is a premium quality variation of FKM. It uses 6 equally-spaced holes with a 2.18" bolt center.