Indicating fluid changes from blue to yellow if a leak is detected. Tester operates on engine vacuum.
Lisle COMBUSTION LEAK INDICATING FLUID, 16 OZ.
Lisle 75630 Combustion Leak Indicating Fluid, 16 Oz.
Block Tester BT-600 Replacement Combustion Leak Test Fluid 16 oz
Lisle 75630 Combustion Leak Indicating Fluid
NEW Lisle 75730 Combustion Leak Indicating Fluid (BN386)
NEW Lisle 75630 Combustion Leak Indicating Fluid (BN386)
