Race Car Universal Adjustable Fuel Pressure Regulator with 0-100 PSI Gauge for Cherokee Ford F250 6.0L Diesel Dual Beam FPR-005 Specifications and Benefits: Injected bypass fuel pressure regulator with -6 AN inlet and -6 AN return, adjustable from 0 psi to 160 max pressure Fuel pump capacity designed to maintain optimum fuel Rail pressure for high performance/turbocharged engine, ensures maximum vehicle performance, long life and highly reliable oil filled fuel pressure gauge for maximum and consistent measurement. Adjustable Fuel Pressure Regulator with 1:1 Ratio 1/8" NPT Gauge Port CNC Machined Lightweight Aluminum Material Package: 1* Fuel Pressure Regulators 1* Regulator Gauge (with Gauge/No. with ) Fitment: Universal, fits all cars, Professional installation is highly recommended (No instructions)