A 13 piece turbo system tester set to identify any leaks within the turbo system using standard workshop air. To fit most turbo systems on cars and light commercial vehicles. 12 x stepped adaptors for pipe sizes: 31 - 38mm, 46 - 51mm, 55 - 60mm, 65 - 70mm, 75 - 80mm, 85 - 90mm.Pressure gauge with shut off valve & regulator to help prevent over pressurisation. Use to pressure test turbo pipes, intercoolers & cooling sytems pipes & radiators when looking for leaks. Use with workshop compressed air. Always pre-set the regulator to low before use.