AET-105
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.