Pingel Guzzler Fuel Valve Single, 5/16&Prime, Outlet GV55GP This is a serious fuel valve for serious riders Hardcoat anodized billet aluminum and stainless steel construction Spring-loaded detents for positive on-off positioning; no reserve available Flows up to 211 ounces of fuel per minute Available with 3/8in. NPT or 22mm outlets (all single outlets face down)