Save space on your dash and provide a clean look with the AutoMeter Digital Tach/Speedo Combo. Taking the highly precise circuits from the individual digital speedometer and tach and combining them into one unit gives you the accuracy and the response time you need and the convenience of a one piece solution. Compatible with nearly any factory speed sender and 1-12 cylinder applications, this unit is simple to calibrate and designed with the type of durability you expect in an AutoMeter gauge. AutoMeter's GPS Speed Sender is also compatible for an easy, plug and play solution.Features: Features AutoMeter's E-Z View Digital LED Display System which maximizes readability and minimizes distracting high speed digit changes Programmable with EZ Cal System - MPH or KM/H Speedometer is compatible with most two wire sine wave and three wire hall effect vehicle speed sensors. Speedometer can be easily calibrated using the trip reset button on the from of the unit and a premeasured two mile distance. No dip switches! Tachometer is compatible with 0.5 - 6 pulse ignition signals (1-12 cylinder engines) with points, electronic, and most 12V high-performance racing ignitions. Gauge kit includes mounting hardware and installation instructions Resettable Trip Odometer Product Description: 3-3/8" Tachometer/Speedometer Combo, 8K RPM/260 MPH, Sport-Comp DigitalPit Stop USA offers Auto Meter Sport-Comp Digital Tachometer / Speedometer Combo - 3-3/8 in. 6387 at low everyday prices. Be sure to check out all our products from Auto Meter including Auto Meter Digital Tachometers and Auto Meter Electric Speedometers.