ASTA A-9TSP 9pc turbo system pressure (leakage) tester set to check any leaks within the turbo system and cooling system using low pressure standard workshop compressed air, set includes gauge with pressure regulator, shut off and safety release valve to regulate the pressure and correct air flow. Adapted for all systems thanks to different size stepped adaptors, which makes it easy to fit to different diameter of hose or pipe. Used to detect leaks in the turbochargers, pressure hoses, intercoolers, etc., as well as possible use when checking the EGR valve in passenger cars, trucks, LCV, HGV and marine systems. Supplied in carry case.