This accurate, durable, and simple to install iEquus 8000 Performance 2 in. mechanical pressure gauge features race inspired styling, superior 270 degree sweep for enhanced resolution, white dial, satin silver aluminum bezel, and backlit illumination for efficiently monitoring turbo and supercharger boost pressure. Installation hardware included. Additional adapters sold separately. 0 to 30 inHg and 0 to 20 PSI White Dial Face Back-Lit™ illumination for night use. Includes red, green, blue and yellow bulb covers 270 degree analog needle sweep provides improved visibility and resolution Aluminum bezel is lightweight and optimizes appearance Rear twist-on ring mount design makes mounting simple Includes 6 ft. nylon tubing with brass compression fittings to 1/8" NPT male and 1/8" NPT to 1/4" NPT adapter bushing, & 5/16" vacuum T-fitting Includes installation instructions in English, French, and Spanish Specifications Brand Equus Part Number E8457 Product Line 8000 Performance Series Gauge Type Boost Primary Increment 1 PSI Secondary Range Yes Secondary Increment 2 in HG Gauge Diameter (in) 2-5/8 in Mechanical/Electric Mechanical Primary Low Range 0 PSI Primary High Range 20 PSI Secondary Low Range 0 in HG Secondary High Range 30 in HG Sweep Full Lighted Yes Light Style Incandescent Light Location Back Light Color Red | Green | Blue | Yellow | White Face Color White Bezel Color Silver Primary Number Color Black Secondary Number Color Gray Pointer Color Red Sender Included Yes Sender Thread 1/8 in NPT Fittings Included Yes Number Of Fittings Included 1 Fitting A End 1 Size 1/8 in NPT Fitting A End 1 Style Female Fitting A End 2 Size 1/4 in NPT Fitting A End 2 Style Male Fitting B End 1 Size 1/8 in NPT Fitting B End 1 Style Female Fitting B End 2 Size 5/16 in Fitting B End 2 Syle T-Fitting Tubing Included Yes Tube Quantity 1 Tubing A Material Nylon Tubing A Length 6 ft Inlet Port Thread 1/8 in NPT Quantity Each