FUEL PRESSURE CHECK GAUGE/TOOLFUEL PRESSURE CHECK GAUGE TOOL Includes a solid brass adapter and release valve, steel housing (100 psi) gauge, stainless steel springs, Viton O rings, O ring lubricant and nylon storage pouch Quickly diagnoses loss of power, poor fuel economy and hesitation and stalling Releases fuel through drain line with the push of a button Provides simple, fast and accurate fuel pressure checks Made in the U. S. A. Fitment : 2001 to present day EFI Harley