2PCS Spark Plug Tester, Engine Ignition Coil Tester Straight Boot Ignition Test Spark Plug Light Checker Automotive Spark Tester for Automotive Car Lawnmower Internal External Engine

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⚡ Spark Your Engine IQ — Don’t Get Left in the Dark!

This 2PCS Spark Plug Tester set features a compact design with a 6¼" shield and 5" shaft, enabling easy access to hard-to-reach engine areas. Built with rust-resistant plated shafts and a replaceable long-lasting bulb, it delivers reliable ignition diagnostics across a wide range of internal combustion engines including cars, motorcycles, lawnmowers, and generators. Ideal for professionals and DIYers alike, it quickly identifies ignition and fuel delivery issues with a simple light flash indicator.