Radium FCST Fuel Cell Surge TankNote: 10 and 14 Gallon fuel cells will require lift pump extension bracket 20 0214 To complete a fuel cell with a FCST other accessories will be required, see below: BACKGROUND Since 2010, external Radium Engineering fuel surge tanks have been an excellent way to eliminate fuel starvation that occurs in racing. To simplify plumbing and packaging, in 2013 Radium Engineering introduced the first generation Fuel Cell Surge Tank (FCST) to the competition