1970–72 Chevy Chevelle / Monte Carlo Gauge Set brings GPS speedometer, tachometer, and the key vehicle data you need into one clean package built to fit the classic Chevelle and Monte Carlo dash. Designed for 1970–72 Chevy Chevelle and Monte Carlo applications, it gives you a factory-fit look with modern performance behind it. GPS speed delivers real-time, calibration-free readings using satellite data, with no speed sensors, gear ratios, or tire size input required—just connect 12V power, mount the antenna, and drive. The integrated tachometer adds clear, dependable RPM monitoring and is compatible from 1/2 to 6 pulses per revolution, accepting tach signals over one volt for broad engine compatibility across a wide range of ignition systems and setups. That gives you a cleaner, more flexible install while keeping engine speed easy to monitor at a glance. Precision stepper motors keep every needle smooth and steady—no bounce, no guesswork. Built with a durable housing and solid aluminum bezels, it’s made for real driving conditions and long-term use. Made in the USA and backed for life.