Description
Proper spark plug gap is critical to engine performance, fuel efficiency, and reliable ignition across varying RPM ranges. This Allstar Performance gapper eliminates guesswork by providing precision measurement, ensuring your plugs are set to OEM specifications every time. Whether you’re tuning a race engine or maintaining daily driver reliability, a dedicated gap tool is an essential part of any serious mechanic’s toolkit.
- 0.010–0.035 in range
- Feeler gauge design
- Chrome-plated steel
- 14 mm thread compatibility
- Bolt-on tool (no installation)
- Sold individually






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