The MADDOX MT91 Diesel Engine Cylinder Compression Test Kit Tool Gauge Pressure is a reliable and accurate diagnostic tool for diesel engines. It is designed to accurately measure compression in diesel cylinders, with an accuracy of +/- 2%. The kit includes a 16-1/2 inch hose length and has a maximum working pressure of 1000 psi, making it suitable for a wide range of vehicle types including motorcycles, passenger vehicles, and heavy-duty/commercial vehicles. Manufactured in China, this compression test kit is compatible with various diesel engine brands such as Chrysler, Cummins, Ford, GM, Toyota, VW, and more, and is a valuable asset for troubleshooting and maintenance purposes.