AEM X-Series EGT Gauge 0~1800F / 0~1000C Display Gauge - 30-0305AEMs 30 0305 X Series 0 1800F 0 1000C Digital Exhaust Gas Temperature (EGT) gauge combines incredible looks, increased readability and a multitude of new, easy to use features! It is a must for users who want a highly accurate EGT readout in their high performance vehicle. NOTE: The 30 0305 comes with a black bezel and reversible Fahrenheit Celsius black EGT faceplate. You will need to purchase the optional 30 0305 ACC accessory kit to get the silver