Auto Meter Sport-Compact Oil Temperature Gauge indicates the temperature of the engine oil. These Sport-Compact analog gauges are the trademarks of the entire Auto Meter line with their rugged race styling and unmatched performance.Years of experience designing versatile gauges have made the Sport-Compact series the ultimate choice of racers worldwide. Sport-Compact gauges include mounting hardware and light. It is a hardcore instrument panel that will stand up to any brutal racing environment. It became the absolute standard in all forms of racing due to its bold appearance, state-of-the-art technology and unrelenting construction. These rugged instruments are chosen by the pros because they stand the test of time. It includes 3/8" and 1/2" NPT adapter and 1/8" electric sender. The sending unit is electrical and the overall diameter is 52mm. This Sport-Compact 3347 oil temperature gauge reads from 100°-250° F. The mounting hole is 2-1/16 and the mounting depth is 1-9/16 including rear mounting shaft. The gauge face color is black and the gauge number color is white. It includes red and green bulb covers for customized look. It is sold individually and includes 8 feet tubing and probe.