In most overheating situations, the first engine component to suffer damage is your cylinder heads. Prevent damage to your engine and ensure maximum performance and reliability with this AutoMeter Electronic Cylinder Head Temperature Gauge. 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 Gauge kit includes 1/8” NPT temperature sender, 3/8” and 1/2" NPT adapters, bulb and socket assembly, red and green bulb covers, mounting hardware, and detailed instructions for installation AutoMeter’s race proven air-core electric instruments provide quick and accurate readings while keeping hazardous fluids outside of the vehicle Product Description: 2-1/16" Cylinder Head Temperature, 140-340°F, Sport-CompPit Stop USA offers Auto Meter Sport-Comp Electric Cylinder Head Temperature Gauge - 2-1/16 in. 3336 at low everyday prices. Be sure to check out all our products from Auto Meter including Auto Meter Cylinder Head Temp Gauges.