The ATL RaCELL® Series Fuel Cell is FIA FT3 Approved Molded Hard-Rubber ALL-FUEL (Race Gas, E15, E85, Alky) Bladder, Crash-Resistant & Deformable, With (2) #8 (1/2) Lower Outlets, (1) #8 (1/2) Return, (1) #6 (3/8) Vent With Check Valve And SF103 Safety Foam Baffling. The ATL RaCELL® Series Fuel Cell is ideal for Drag Racing, Hill Climbs, Drifting and more. Optional aluminum mounting brackets available separately.