AutoMeter Ecometer/Universal OBDII Control Arm Shims 75 in Bolt Pattern

75 in Bolt Pattern

1980-1981 Jeep CJ7

1979-1995 GMC K3500

Wehrs Machine & Racing Products have provided racers with quality parts and components since 1997

plug and play device that connects to your vehicle's OBDII port and allows for instantaneous monitoring of the exact fuel economy of your vehicle

AutoMeter Ecometer/Universal OBDII Control Arm Shims 75 in Bolt PatternThe single largest contributing factor to fuel economy on your vehicle is the ? loose nut behind the wheel?. Driver input affects the amount of fuel you use more than anything else. The Ecometer by AutoMeter is a simple, plug and play device that connects to your vehicle's OBDII port and allows for instantaneous monitoring of the exact fuel economy of your vehicle. So much more than a simple vacuum gauge, the Ecometer monitors a huge range of engine