AutoMeter 5" Sport Comp GPS Speedometer w/Rally Nav Display EZTS102RP The ratcheting mechanism is cranked

The ratcheting mechanism is cranked by hand with the included 1/4" ratchet handle

1/4 in Hose Barb Petcock Drain

They are legal for all sanctioning bodies for carburetor linkage spring retention and include all hardware for easy installation

Carbon X Sleeve

AutoMeter 5" Sport Comp GPS Speedometer w/Rally Nav Display EZTS102RP The ratcheting mechanism is crankedThe latest in technology and the easiest possible way to add a highly accurate speedometer to your vehicle. AutoMeter's advanced GPS Speedometers require no interface with your vehicle aside from power and ground. Their ultra fast, omnidirectional micro antenna is included for true plug and play functionality and never requires calibration. Configurable Rally Nav display shows odometer, trip odometer, time date, GPS coordinates, heading info, compass,