GlowShift Black 7 Color 60 PSI Turbo Boost Gauge Kit - Includes Mechanical Hose & Fittings - Black Dial - Clear Lens - For Diesel Trucks - 2-1/16" 52mm Monitor the Amount of Boost Pressure in Your Diesel Truck from 0 to 60 PSI Mechanically Driven 2-1/16" (52mm) Black Face Gauge with a Clear Magnified Lens 7 Solid Color Modes Include: Blue, Green, Red, Teal, Yellow, Purple & White with 1 Color Cycle & 1 Color Fade Mode Includes 9' of Nylon Boost Hose, 1-8-27 NPT Brass Compression Fittings, Gauge Visor, Mounting Hardware & Installation Instructions Free Lifetime Technical Support & One Year Limited Warranty