KZYEE KS30 Dual-Port Spark Plug Tester – No-Fuss, One-Tap Ignition Coil Checker for 12V Gas Engines – Plug See Instant Spark – No Frequency Adjustment Needed
- Diagnose in Seconds – One-Tap Spark Plug Tester: Skip the guesswork. This inline spark plug tester lets you plug in, press once, and instantly check for spark on 12V small engines, cars, and motorcycles. Fast diagnostics without tuning knobs
- Dual-Port Design – Compare Two Plugs at Once: Save 50% of your time. Unlike single testers, our dual-port spark tester lets you check and compare two spark plugs side-by-side—ideal for spotting weak spark in aging engines
- No Frequency Adjustment – Just Plug & Go: Other tools make you adjust RPM knobs. With KS30, there’s no need to guess settings—this spark plug tester and coil tester simulates firing conditions automatically. Always accurate, always easy
- Safety First – Designed for DIY & Garage Use: With shock-protected ports, a clear spark shield, and a detachable power cable, this inline spark tester is built for safe use in home garages and repair shops. Powered by 110~120V AC (50/60Hz) for reliable, consistent testing. Durable design, no exposed contacts.
- Wide Compatibility – For Most 12V Gas Engines: This small engine spark tester works with most standard spark plugs (longer than 1.34”) found in cars, motorcycles, ATVs, and more. Not compatible with mini plugs used in chainsaws or mowers
