Leak Detector Kit / Engine Block Test Tools Inc.

Complete combustion leak tester. No additional tools needed & no need to tap into an engine vacuum source. Tests for blown head gasket, cracked head or block, pulled bolts or studs, warped sealing surfaces. Fluid turns from blue to yellow when a combustion leak is present. Works w/ virtually any liquid cooled internal combustion engine or generator w/ a closed cooling system. Includes gasoline, diesel, propane, natural gas & other alternative fuels. Large single chamber design provides greater accuracy & uses less test fluid.