28PC Universal Cooling System Pressure Tester & Vacuum Type Cooling System Refill Kit High-quality 28 piece universal cooling system pressure testing kit. Detects internal engine leaks caused by blown head gaskets as well as cracked blocks/heads. A simple and straightforward way to test for leakages in the vehicle cooling system as well as replacing coolant. Easily test the entire vehicle cooling system including radiator, heater core and radiator cap. Vacuum purge and refill kit to refill the vehicle cooling system and remove air pockets. Suitable for use on most makes and models including both domestic and imports. Colour-coded radiator test caps. Convenient and portable for quick, easy use Supplied in a blow-molded carry case for easy transport and storage. Please note the carry case may either come in red or blue depending on stock levels Kit Includes Hand pressure pump with colour coded 0-35psi gauge & push-button pressure relief valve.