Performance Tool W86553 Ignition Spark Tester - Checks Spark Plug Energy Without Removal for DIS & HEI Electronic Ignition Systems (Pack of 4)

Performance Tool W86553 Ignition Spark Tester - Checks Spark Plug Energy Without Removal for DIS & HEI Electronic Ignition Systems (Pack of 4)

• The information below is per-pack only
• QUICKLY DIAGNOSE IGNITION PROBLEMS: The Performance Tool W86553 Ignition Tester easily checks if there is sufficient energy for spark plug to ignite, helping you diagnose ignition problems in your vehicle.
• NO NEED TO REMOVE SPARK PLUG: With this ignition tester, you can check for ignition spark without removing spark plug from the engine, saving you time and hassle.
• WORKS ON DIFFERENT IGNITION SYSTEMS: The tester works on both DIS (Distributorless Ignition System) and HEI (High Energy Ignition) electronic ignition systems, making it versatile and useful for different types of vehicles.
• DURABLE CONSTRUCTION: The ignition tester features a porcelain housing with steel cup and clamp, making it sturdy and long-lasting.
• EASY TO USE: Simply attach the tester to the spark plug wire and clamp it to the engine block, then crank the engine to check for spark. The bright neon bulb indicates the presence of spark, helping you quickly diagnose the issue.