Spark Plug Gap Gauge Coin Tool

The Spark Plug Gap Gauge helps you set accurate plug gaps with confidence. This compact coin-style tool keeps your engine running at its best.

Spark Plug Gap Gauge – Benefits for You

✅ Helps you achieve precise spark plug spacing so your engine fires cleanly and consistently.

✅ Improves overall engine efficiency so you enjoy smoother acceleration and better fuel use.

✅ Reduces wear on ignition components, which means fewer maintenance issues over time.

✅ Compact coin format slips easily into pockets or tool rolls so you always have it on hand.

✅ Clear measurement markings make reading gap sizes simple so you can adjust quickly and accurately.

Keep your tune‑ups efficient and get reliable performance every time you adjust your spark plugs.

This tool offers a straightforward way to maintain proper spark plug spacing, which is essential for stable ignition and dependable power delivery. Its metal construction gives it a solid feel in the hand, and the round format makes it easy to rotate and read as you slide it between electrodes.

The clearly etched calibration scale ranges from 0.02" to 0.10", giving you the flexibility to check and fine‑tune gaps across a wide variety of spark plug types. This range makes it a handy companion for both routine maintenance and more involved tuning projects.

Its slim 3mm profile and 37.5mm diameter make it small enough to store virtually anywhere, whether in your toolbox, glove compartment, or garage drawer.

The durable metal surface resists abrasion, allowing the markings to stay readable even after repeated use in greasy or dusty environments.

Using the tool is simple: slide the tapered edge into the spark plug gap until it matches the correct measurement, then adjust your electrode accordingly.

This makes it especially useful for DIY mechanics who want reliable results without bulky measuring equipment.

The rugged construction allows it to withstand years of regular use, whether in a professional setting or a home garage.

Its small footprint also makes it a convenient backup tool to keep in multiple locations so you're never without a precise gap reference.

Fine‑tune your spark plugs with ease and keep your engine running at peak performance—add this gap gauge to your toolkit today.