Hypertech 128852 ThermoMaster Power Chip Features: Use w/Low-Temp 160-180 Deg. PowerStat Thermostat Controls Engines Air/Fuel Ratio Controls Spark Advance For Max Power Potential Gas Mileage Improvements No Wiring Or Soldering Required Installs In Less Than 30 Minutes Height: 2.00 Width: 7.00 Length: 5.00 Weight: 0.34 lbs