Substantially higher fuel flow compared to OEM or aftermarket fuel valveNecessary for adequate fuel delivery even on stock motorcycles and a must for high performanceAvailable with 22 mm external threads has a 5/16” hose barbAdapter nut includedMade in the USAAll descriptions are made from a seated position on the motorcycle with a reference from outlet position to the On, Reserve, and Off position of the fuel valve lever.Not legal for street use in CA for all make/model year applications.