Fuel Tools fuel pressure gauge utilizes quick disconnects so that checking fuel pressure is a breeze. No more chasing fuel system problems. Often times the cause of a poor performing motorcycle is a problem with the fuel system. This gauge will allow you to quickly diagnose any issues with your fuel system, such as loss of power, poor fuel economy, hesitation and stalling. Works with all 2001 to present Delphi fuel injected Harleys. Features solid nickel plated brass adapter and release valve, steel housing 100PSI gauge, Viton O-rings, O-ring lubricant and nylon storage pouch. Also available as a Premium Kit that includes a 16" (41cm) flexible fuel hose and swivel gauge with felt covered magnetic attachments, allowing the user to use the gauge under both static and load conditions, no matter what side of the bike you are working on. A must for every professional workshop.