ISSPRO’s EV² Series matches your OEM gauges to a “T.“ LED lighting matches. Colors match. Fonts match. As a long time supplier to truck OEMs, we understand the importance of finely tuned design details. » ISSPRO’s EV² has all the bells and whistles. Microprocessor-controlled stepper motor movements. LED back lighting. Precision senders. 270° sweep. All electric gauges. » ISSPRO knows diesel. ISSPRO has been engineering and building diesel instrumentation for over 60 years. In addition to aftermarket performance gauge systems, we custom design diesel instrumentation for OEM customers.