This comprehensive diesel engine compression tester kit covers a vast majority of modern engines fitted to most manufacturers vehicles a large 25 diameter with 0 70 kgcm2 or 0 1000 psi coiled rubber hose with straight or optional right angled connection plus a wide selection of glow plug and injector adaptors this set also includes claw clamp and spacers for dummy profiling spark plug sizes 10 12 14 18mm injector adaptor m20 m22 m24 ford stanadyne clamp on injector set inclu