All new for 2011, the Walbro F90000274 450LPH pump is the highest flowing intank fuel pump on the market, and is E85 safe to boot. Walbro F90000274 In-Tank E85 Fuel Pump. The overal size is very similar to Walbro's previous generation GSS340/GSS341/GSS342, however the base is slightly enlarged as shown in the pictures.
