MITYVAC Diesel Digital CompressionTester Kit MYMV5535 Digital diesel compression tester and six adapters for testing the most popular modern car and light truck diesel engines available in the U.S. In addition to the outstanding electronics features, the diesel tester includes a 15" (380 mm) long connection hose with quick-change swivel and right angle coupler for reaching into tight spaces. A combination of two direct injector adapters and four glow plug adapters provides the versatility to test most Ford, Dodge, GM and Volkswagen automobiles from the early 80s to current production models. Additional adapters are available to test virtually all cars, trucks and heavy equipment. Professional grade adapters ensure leak-proof seals Quick disconnect coupler connections allow quick changes Includes field service kit with replacement Schrader valves Custom molded case securely retains each component Works with Star Products adapters Snap-on conversion adapter available 1000 PSI MAX