Spark Plug Gap Gauge (Coin Type)

⚙️ Coin‑Type Spark Plug Gap Gauge

Accurately set spark plug gaps with this compact, easy-to-use gauge—essential for ensuring reliable ignition and peak engine performance.

🔧 Key Features:

• Compact coin design fits comfortably in your pocket or glove box—always on hand when you need precise measurements.

• Dual-sided feeler gauges:

  • Metric side: 0.50 mm to 1.25 mm (increments of 0.05 mm)

  • Imperial side: .020″ to .050″ (increments of .001″)

• Durable stainless-steel construction resists wear and corrosion, offering long-lasting accuracy.

• Laser‑etched markings ensure clear, permanent size identification—no fading over time.

• Slim, single-piece design eliminates loose blades—reducing the risk of losing parts during service checks.

✅ Performance Benefits:

• Precise ignition control – Set the exact spark plug gap to manufacturer specs, supporting optimal engine start-up, fuel efficiency, and power.

• Dual measurement standards – Works seamlessly with a wide range of vehicles and international plug specs.

• Simply efficient – Just slide the coin gauge over the electrodes—flat, portable, no fuss calibration.