Three diesel engine cylinder leakage test kits that cover the wide range of modern engines, including HDi, TDCi and Pumpe Duse. VS2051 Kit covers most popular cars and vans, VS2052 Kit has additional glow plug adaptors for increased coverage and VS2053 Kit further includes an adaptor set for clamp-type injectors to give even wider coverage of car, van, truck and bus, agricultural and marine applications.