About Our Products： Monitor system performance with the analog gauge or perform an air leak test with the same tool! You do not need to remove the Ipr valve to perform a system air leak test! No adapters needed to screw in place of the Ipr! No fancy diagnostic scan tools needed! For an air leak test, simply supply shop air pressure through the Icp sensor port or available plugged oil rail port, and connect 12v to the Ipr. Specs- 6,000 psi liquid filled Gauge 5,800 psi hydraulic hose 23,200 psi minimum burst pressure rating Fit For： For All Ford Powerstroke 6.0L & 7.3L engines. .