Block Tester BT-500 Combustion Leak Test Kit

The Block Tester is a used to detect the presence of exhaust gases in an engine's cooling system typically caused by a blown head gasket or cracked head or block. It comes complete with enough fluid to conduct 16 tests. There are no additional tools needed and no need to tap into an engine vacuum source. Works with virtually any liquid-cooled internal combustion engine or generator with a closed cooling system including: gasoline diesel propane natural gas and other alternative fuels. Large single-chamber design provides greater accuracy and uses less test fluid.

• Complete Burn Leak Test Kit - Includes Liquid - Nothing More To Buy
• When liquid changes from blue to yellow, a combustion leak is present
• Test in seconds for combustion leaks caused by: cracked head gasket (BHG) or pulled bolts or deformed studs
• Packed in a white OEM box