Spark Plug Gapper - PKTool The PKTool Spark Plug Gapper is a simple and effective tool designed to help achieve precise spark plug gap settings for optimal engine performance. Proper spark plug gapping is essential for efficient combustion, improved fuel efficiency, and smooth engine operation, making this tool a must-have for both professional mechanics and DIY automotive enthusiasts. Featuring a special universal design, this spark plug gapper works with virtually all spark plugs, allowing quick and accurate adjustments during installation or maintenance. With precision up to 0.02mm, it ensures accurate gap measurement and adjustment, helping to maintain correct ignition performance. Compact, durable, and easy to use, the PKTool Spark Plug Gapper is an essential addition to any automotive toolkit. Features & Benefits Spark plug gap adjustment tool Compatible with most spark plug types Designed for quick and accurate spark plug gapping Precision up to 0.02mm Helps ensure optimal engine performance Ideal for automotive servicing and maintenance Compact and easy to use Suitable for professional mechanics and DIY users