Now you can detect exhaust gases in the radiator header tank and check for gasket or block damage, cracked heads or cylinder warp. Block tester is a blue coloured reagent that turns yellow when exhaust gases are present. This simple diagnosis can save you £s.
Suitable for petrol and diesel.
The block tester kit includes:
– 1 bottle of Block tester test fluid.
– Universal Block Tester
– Complete Tester
– Complete Instructions
Block Test Fluid spare is also available.