MOTOR METER RACING CLASSIC SERIES 6 Gauge Set. Swiss Stepper Motor Movement. Analog Display Speedometer with Odometer. Convex Glass Lens Surface, Stainless Steel Bezel with Plastic Housing. Yellow Faceplate, Black Needle. Speedometer Cable Thread Size: 5/8-18. Tachometer Fits Any 1 to 9 Cylinder Gas Powered Engine. Gauge Set Requires 12 Volt Negative Ground Systems. Measuring Range: 8 – 16 (V). Measuring Range: Empty – Full. Resistance: 240 (E) – 33 (F) ohms. With Fuel Level Sender. Measuring Range: 40 – 120. With Water Temperature Sensor. Measuring Range: 0 – 7 (BAR). With Oil Pressure Sensor. Measuring Range: 0 – 220 (KMH). Measuring Range: 0 – 8000 (RPM). Water Temperature Sensor (Thread Size: 1/8 NPT). Oil Pressure Sensor (Thread Size: 1/8 NPT). Fuel Level Sender (240 – 33 ohms). Filter x 2 (For Tachometer). Speedometer: 0 – 220 (KMH) / 0 – 140 (MPH). Fuel Level Gauge: 240 – 33 ohms / 0 – 90 ohms, Also Substitute Fuel Level Sender. Water Temperature Gauge: 40 – 120 (Celsius) / 100 – 250 (Fahrenheit). Oil Pressure Gauge: 0 – 7 (BAR) / 0 – 100 (PSI). MOTOR METER RACING GUARANTEE. 100% Made in Taiwan.