Product details:

Motor State Distributing has set the pace for high-performance automotive components for racing street and off-road use. An engine running a high oil temperature will fail as proven time and time again. Monitoring this critical parameter ensures that you are running the correct weight oil and that your oil cooling system is performing properly. Highly accurate and durable thanks to AutoMeter's patented air core meter movement a single wire 1/8 NPT temperature sender is included. Features. Traditional incandescent lighting illuminates around the perimeter of the dial. 12 and 16 volt compatible well-suited with nearly every street car or race car electrical system. Size: 2.62 in.