AutoMeter 3-3/8" Sport Comp GPS Speedometer w/Rally Nav Display YA0639 Steel spring cup has a

Steel spring cup has a 7" wide curved base that welds to the top of a 3" diameter rear end axle tube creating a flat mounting surface for a 5" O

Pumps deliver 6-1/2 to 8 PSI with 80 GPH free flow

100-340 Degree F

1967-1974 Mercury Marquis

A rubber cover surrounds the gauge for added protection against drops and has a ribbed molded pattern for increased grip

AutoMeter 3-3/8" Sport Comp GPS Speedometer w/Rally Nav Display YA0639 Steel spring cup has aThe 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,