The Auto Meter 2611 Z-Series Exhaust Pressure Gauge features perimeter incandescent lighting with a black bezel, red pointer and bold white lettering on a black face. With a 0-60 PSI range this exhaust pressure gauge will monitor your pressure levels to ensure that your engine is running under optimal conditions. Includes: (6') 1/8" copper tubing, (10') 1/8" nylon tubing & NPT Fittings.FEATURES:0-60 PSI2-1/16"MechanicalNote: Due to diesel soot accumulation it is recommended that the particle trap kit is installed with this drive pressure gauge.