Comprehensive kit based on petrol compression tester for vehicles with M10, M12, M14 and M18 spark plug threads. Complete with extensions (M10, M12, M14, M18 ), thread chasers (M14&M18, M10&M12 ) and service kit.
Checks condition of valves, piston rings, gaskets & cylinder heads.
Used on cars, vans & motorcycles.
