Convient avec le testeur de compression Gunson G4101. Gunson Oscillating Valve Lapping Tool Make Job Easy 22mm / +3x 28mm Sucker Heads. Compression tester adaptor. This kit converts the thread on Colortune and Hi Gauge Compression Tester to fit most popular sizes of spark plugs fitted to most modern and classic cars, motorcycles, garden machinery and boats.
