- Quickly and accureately check compression on petrol engine
- Quickly diagnose worn piston rings, burnt valves and bad head gaskets
Professional quality, works on most domestic and foreign engines
- Completed kit comes with adapters for most applications
- Check the condition of your piston ring & valve seats
- 3″ gauge features dual color scale.
- 4 Spark plug thread adapter:
M8 x 1.5
M10 x 1.0
M12 x 1.25
M14 x 1.25
- 400mm flexible extension
- 2 Pc rubber cones ends for quick check (No need to thread into head)
- Blow mold case included
- THE CASE MAY BE DAMAGED OR CRACKED DURING SHIPPING.