Submit A Question about Car Spark Plug Tester with Adjustable Double Hole Detector Ignition Plug Analyzer

(Item No. COBD25094)
Dual Hole Car Spark Plug Tester Detector have two testing holes, you can test two spark plugs meanwhile and and if you suspect any spark plug works improperly you could compare and test to make accurate judgment.To Test spark plug performance and ignition strength, apply to 12V Gasoline vehicles car spark plugs.    More Details »