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.

NOT CARB-APPROVED. ILLEGAL TO USE OR INSTALL IN CALIFORNIA. IF YOU LIVE IN CA, WE CANNOT SHIP YOU THIS ITEM AND YOU WILL BE CHARGED A 10% CANCELLATION FEE IF YOU ORDER. PLEASE LOOK FOR OTHER PRODUCTS WITH CARB APPROVAL.