Spark Plug Gap Gauge with Nine Wire Sizes and Built-In Electrode Adjuster – CTA Tools 3238 Heavy-Duty Design
Spark Plug Gap Gauge with Nine Wire Sizes and Built-In Electrode Adjuster – CTA Tools 3238 Heavy-Duty Design
A spark plug gap gauge uses fixed wire diameters to measure the clearance between compatible plug electrodes. CTA Tools 3238 provides nine common inch sizes from 0.025 to 0.060, helping technicians choose the closest documented measurement during ignition service.
The compact heavy-duty gauge includes a built-in gap adjuster for making controlled electrode changes before rechecking. Its nine wires cover 0.025, 0.030, 0.035, 0.040, 0.044, 0.045, 0.050, 0.055 and 0.060 inch. Follow the spark plug maker’s specified gap rather than selecting a size by guesswork.
Specifications
- Brand: CTA Tools
- Model: 3238
- Product: Spark plug gap gauge
- Gauge wires: 9
- Sizes: 0.025, 0.030, 0.035, 0.040, 0.044, 0.045, 0.050, 0.055 and 0.060 in
- Adjustment feature: Built-in gap adjuster
- Construction: Heavy duty
- Purpose: Measuring and adjusting compatible spark plug gaps
Frequently Asked Questions
Which gap sizes can the gauge measure?
CTA Tools 3238 provides nine fixed wire sizes from 0.025 to 0.060 inch.
Can the gauge also adjust the electrode?
Yes. A built-in adjuster supports controlled changes before the gap is rechecked.
How do I select the correct gap?
Use the specification from the plug or engine manufacturer, then measure with the matching gauge wire.