ISSPRO EV2 2 Gauge Kit for the following Vehicle(s):2000-2007 6.6L GM Duramax 2500Quick View:Dual Gauge PillarEV2 0-1600 °F Pyrometer GaugeEV2 0-40 PSI Boost GaugeBlack Face, Red Pointer, Black BezelGauge Size: 2 1/16" Vehicle SpecificISSPRO ISS-R70022 Product SpecificationsGauge Size: 2 1/16"ISSPRO ISS-R70022 Product FeaturesColor Configuration: Black Face, Red Pointer, Black BezelFor use with Speaker Hole on A-PillarISSPRO ISS-R70022 Product NotesNo amplifier box necessary for installationISSPRO ISS-R70022 IncludesKit Includes:(1) Dual Gauge Pillar - ISS-R77004(1) EV2 0-1600 °F Pyrometer Gauge - ISS-R17021(1) EV2 0-40 PSI Boost Gauge - ISS-R17333EV2 2 Gauge KitEnhanced Visibility 2 (EV2) by IssproMatch your Isspro EV2 Gauges with your OEM gauges. From LED lighting, colors, and in some cases fonts, Isspro understand the importance of finely tuned design details.Isspro EV2 electric gauges are built with microprocessor-controlled stepper motor movements, LED back lighting, precision senders, and sweep 270 degrees.All EV2 gauges include the items necessary for typical installation. Pyrometers include lead wire and thermocouple with weather pack connectors. Boost, pressure and temperature gauges include the sensors and wire harness to connect from the sensor to the gauge.