Fuel-Tool Fuel Pressure Gauge MC-500 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Provides for simple, fast and accurate fuel pressure checks, push button completely releases all fuel through the drain line &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Quickly diagnoses: Loss of power, poor fuel economy, hesitation &amp; stalling &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Fits 2001 and newer fuel injected Harley-Davidson models &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Solid brass adapter and release valve, steel housing (100 psi) gauge, stainless steel springs, Viton O-Rings, O-Ring lubricant and nylon storage pouch