Spark Plug Tester Pen – Dual Hole Testing for Two Plugs

Spark Plug Tester Pen – Dual Hole Testing for Two Plugs — A compact, easy-to-use diagnostic pen designed to quickly check ignition performance by testing two spark plugs simultaneously. Ideal for DIY mechanics and professional technicians who need fast, reliable spark verification.

Features:

• Dual hole design lets you test two spark plugs at once for comparative diagnostics
• Simple pen-style tester for quick connection and visible spark checks
• Lightweight, handheld tool for garage or roadside use
• No batteries or electronics required — plug-and-test convenience

Product Specifications

• Type: Spark plug tester pen
• Electronic: No
• High-concerned chemical: None
• Includes: Spark plug tester pen (dual-hole)

Warning / Advice: Always follow safety precautions when working with ignition systems. Disconnect power where appropriate and wear eye protection.

The dual-hole Spark Plug Tester Pen speeds up troubleshooting by letting you compare two plugs instantly, reducing diagnosis time and avoiding unnecessary part replacements. Its straightforward design improves workshop efficiency and helps you pinpoint misfires, weak sparks, or ignition faults with confidence.

Perfect for DIY enthusiasts and professional mechanics, backed by reliable, no-fuss performance. Add this durable, precision tester to your tool kit to streamline engine tuning and maintenance tasks.

Buy now: Use it during tune-ups, pre-trip checks, or garage diagnostics to get fast, accurate spark assessments and keep engines running smoothly.