Product details:

It also detects internal engine leaks caused by blow head gaskets and cracked blocks. It will allow you to easily test entire cooling system including radiator, heater core and radiator cap. Quickly reveals external cooling system leaks. Detects internal engine leaks caused by blown head gaskets and/or cracked block or heads. Easily test entire cooling system including radiator, heater core and radiator cap. Includes: Hand Pressure Pump, Temperature Gauge, (3) Chromed Steel Radiator Adapters, (18) Anodized Aluminum Radiator Adapters, (2) Radiator Cap Test Adapters, Storage Carrying Case.