Radium Fuel Cell Filler Neck and Cap

The Radium Engineering fuel cell fill kits can be used on any cell that uses a 6-bolt 2.18" (55mm) bolt circle mounting flange. This bolt pattern is used on all Radium Engineering Fuel Cell Surge Tanks. Screw threads are the industry standard 1/4"-28. 20-0197 Includes: Machined and Anodized Aluminum Fill Neck Anodized and Laser Etched Aluminum Cap Viton Gasket Flange Seal Viton O-ring Cap Seal Nylon Sealing Washers Stainless Steel Hardware