Aeroflow Performance's single 2.5 Litre compact surge tanks are ideal for fuel systems who wish to use the very popular 40mm diameter fuel pumps on today's market. These smart little tanks are designed to have the fuel pump submerged in fuel for quieter operation and long life of the fuel pump. Utilizing a billet single 40mm pump hanger with a -6an male for the feed, 3 x -8ORB and two electrical bulkheads. Designed to work with Aeroflow AF49-1041, AF49-1042, AF49 -1057 high flow fuel pumps The tank can be mounted in the engine bay to reduce the work & cost to route from the rear of a vehicle. Tank measurements: 185mm L x 185mm W x 260mm H. Tank capacity is 2.5 Litres.