This Alcor AlCal EGT System Tester is the perfect tool for aviation enthusiasts who want to keep their engines running smoothly. Designed for use with aircraft engines, this tester is made by ALCOR and comes with a manufacturer part number of 1004-2. It is an essential component for those who want to maintain their engines' performance and ensure that they are running smoothly. With this tester, you can quickly and easily check the temperature of your engine's fuel system and make adjustments as needed. It is a must-have for any aviation enthusiast who wants to keep their aircraft running at its best. This item is listed in the Engine Components category on eBay Motors, and it comes with no warranty.