PETROL ENGINE COMPRESSION TESTER SET

‧Comprehensive kit based on petrol compression tester for vehicles with M10,M12,M14 and M18 spark plug threads. complete with extensions, thread chasers and service kit.
‧Easy to use.
‧Checks condition of valves, piston rings, gaskets & cylinder heads.
‧Used on cars, vans & motorycles.
‧Pressure relief valve enables repeated testing of a cylinder without removing the gauge.