18pc Radiator Pump Pressure cooling Leak Tester Checker Kit Cap Pump Thermometer This radiator pressure tester helps find internal and external leaks in your cooling system! This radiator pressure tester kit includes 8 radiator cap adapters to service your vehicle should you find a leak and is ideal for any car enthusiast or automotive professional! Included a Pump with gauge For testing automotive pressurized cooling systems up to 35 PSI Has 8 radiator cap adapters for servicing most domestic and import vehicles