Precision D'Arsonval meter movement for greatest accuracy
Backlit illumination for effortless readings at night
Measures 0-8,000 RPM in 100 RPM increments. Full 270Â° sweep, black face, white numbers and redline indicator. This tach helps you determine your power peak and shift point for balanced power and economical driving. Mounts easily on dash-hardware included. For all 4-, 6- and 8-cylinder gas vehicles with 12-volt negative-ground system. For conventional ignitions.