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Test and record cylinder compression in gasoline and diesel engines with this Digital Compression Test Kit from Mityvac. Perfect for automotive technicians, mechanics and DIY enthusiasts, this high-quality test equipment can store max. compression for up to 12 cylinders and automatically shuts off after 3 min. of nonuse. Designed to give accurate and reliable results, this compression test kit is easy to use, lightweight and includes all the necessary components such as a gauge, adapters and hoses for various vehicle types. Improve engine performance, diagnose potential problems, and save time and money with Mityvac's Digital Compression Test Kit - the ultimate tool for automotive maintenance.