Mastercool Combustion Gas Leak Tester Kit

Mastercool combustion gas leak tester kit is a fast, economical and accurate method to test for combustion gas leaks from head gaskets, cylinder heads and engine blocks. Works on gasoline and diesel engines Indicates that a leak is present when the tester fluid changes color Test results in the top chamber will provide an indication of a combustion leak Dual chamber for improved accuracy and to reduce the risk of coolant contaminating the test