Radium Engineering Nissan R35 GT-R Fuel Hanger Pumps Not Included - 20-0572OVERVIEW The Radium Engineering fuel hanger completely replaces the factory in tank fuel pump unit in the R35 GT R and permits up to three 39mm diameter aftermarket pumps (brushed or brushless) to supply fuel to the engine. No permanent vehicle modifications are required for installation. The pumps are housed in an aluminum collector box that is kept full during operation. This ensures that fuel starvation does not occur, even during aggressive