Weld-In Mounting Boss for USCAR (Factory Style) In-Tank Fuel Modules; These weld-in mounting rings allow the use of a modern in-tank EFI fuel module in your custom or modified fuel tank. Most late model GM, Mopar, and Ford factory fuel modules have been standardized to a common size with a thin 6" diameter hat at the top of the fuel module. Choose from aluminum, steel, or stainless steel mounting ring for easy welding (use same material as your fuel tank).;.
