A spark plug feeler gauge is a precision measuring tool used to measure the gap between the electrodes of spark plugs. It is essential for ensuring that spark plugs are correctly gapped and functioning at their optimal level. The range of spark plug feeler gauges available on the market offers users a wide range of options, from simple manual models to more advanced digital models. As such, it is important to understand the perplexity and burstiness of spark plug feeler gauges in order to make an informed decision when selecting one for use. This introduction provides an overview of spark plug feeler gauges, exploring their various features and benefits as well as discussing the perplexity and burstiness associated with them.
Why Spark Plug Feeler Gauge Is Necessary?
Spark plug feeler gauges are essential tools for any automotive mechanic. They are used to measure the gap between the spark plug electrodes and the spark plug boot. This gap is critical for proper ignition of fuel and air in an engine. If it is too wide, the spark may not be strong enough to ignite the fuel and air mixture, leading to a misfire or other engine problems. If it is too narrow, the spark will be too strong and can damage components in the engine. A properly calibrated spark plug feeler gauge is needed to ensure that the gap between the electrodes and boot is just right for optimal engine performance.
Comperision Chart for spark plug feeler gauge
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CTA Tools 3238 9-Wire Spark Plug Gap Gauge
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PQY Universal Spark Plug Gap Tool with Feeler Gauge for Most 10mm 12mm 14mm 16mm Spark Plugs Red
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Edward Tools Harden 32 Piece Feeler Gauge Set – Metric/Inch – (0.04-0.88 mm) – Thickness Gauge Measuring Tool for Spark Plug, Guitar, 3 D Printing – Metal Shims – Easy Read Numbers (1)
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GEARWRENCH Feeler Gauge Set – 12 Blade & 6 Wire Spark Plug Gap – 164
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CTA Tools 3238 9-Wire Spark Plug Gap Gauge

Are you looking for a professional-grade spark plug gap gauge? Look no further than the CTA Tools 3238 9-Wire Spark Plug Gap Gauge. This product is designed to provide a wide range of automotive specialty tools for the professional or amateur mechanic. It also features a heavy duty design that ensures durability and longevity.
Why We Like This
Easy to use The 9-wire design makes it easy to measure spark plug gaps accurately and quickly.
Durability The heavy duty design ensures that this product will last for many years, even with frequent use.
Professional grade The CTA Tools 3238 9-Wire Spark Plug Gap Gauge is designed to meet the needs of the professional or amateur mechanic.
Wide range of applications This product can be used on virtually any type of spark plug, making it an invaluable tool for any garage or workshop.
Affordable Despite its high quality construction, this product is surprisingly affordable.
Common Questions & Answers
Q: Does this product come with instructions?
A: Yes, the CTA Tools 3238 9-Wire Spark Plug Gap Gauge comes with full instructions on how to use it correctly and safely.
Q: Is this product easy to use?
A: Yes, the 9-wire design makes it quick and easy to measure spark plug gaps accurately and precisely.
Q: How durable is this product?
A: The heavy duty construction ensures that this product can withstand frequent use and will last for many years.
Additional Product Information
Height | 6 |
Length | 2.25 |
Weight | 0.07 |
Width | 2.75 |
PQY Universal Spark Plug Gap Tool with Feeler Gauge for Most 10mm 12mm 14mm 16mm Spark Plugs Red

Are you looking for a reliable spark plug gap tool that will give you that perfect gap every time? Look no further than the PQY Universal Spark Plug Gap Tool with Feeler Gauge. This universal tool works with 10mm, 12mm, 14mm and 16mm spark plugs and comes with a feeler gauge for gap thickness. With this tool, you can ensure that your spark plugs are accurately gapped for the best performance.
Why We Like This:
PRECISION WORK:This Spark Plug Gap Tool will give you that perfect gap every time.Simply place your spark plug onto the gap tool perfectly.
UNIVERSAL FITMENT:the PQY spark plug gapper is Universal for 10mm 12mm 14mm 16mm Spark Plugs.Used your desired size feeler gauge for gap thickness.
NOTE: Some spark plugs electrode will spring back – This is normal for some spark plugs.If your gap target is 0.44mm we suggest to use 0.42mm this way when it spring back you will get it to 0.44mm.
WHAT YOU GET:1x spark plug gap tool+1x feeler gauge
WARRANTY:PQY offers lifetime warranty for the spark plug gapping tool.If you have any problem ,please contact us and we will respond you on 24 hours except weekends and holidays.
Common Questions & Answers:
Q: Is this tool compatible with all types of spark plugs?
A: Yes, this universal tool works with 10mm, 12mm, 14mm and 16mm spark plugs.
Q: Does the PQY Universal Spark Plug Gap Tool come with a feeler gauge?
A: Yes, it comes with a feeler gauge for gap thickness accuracy.
Q: Does PQY offer a warranty on this product?
A: Yes, PQY offers a lifetime warranty on the product in case of any problems or issues
Additional Product Information
Weight | 0.02 |
Edward Tools Harden 32 Piece Feeler Gauge Set – Metric-Inch – (0.04-0.88 mm) – Thickness Gauge Measuring Tool for Spark Plug Guitar, 3 D Printing – Metal Shims – Easy Read Numbers (1)

Edward Tools Harden 32 Piece Feeler Gauge Set is the perfect tool for measuring gaps and other dimensions in a variety of tasks. It comes with both metric and inch sizes, making it versatile enough to fit any job. It also includes a 0.25mm copper sheet for added durability and accuracy. This feeler gauge is designed for precision work, so you can be sure that you’ll get accurate readings every time. Plus, it comes with a lifetime warranty, giving you peace of mind that your investment will last.
Why We Like This
Easy to read gap measurements The Edward Tools Harden 32 Piece Feeler Gauge Set includes mm and inch sizes for maximum versatility.
Durable construction The 0.25mm copper sheet included in this feeler gauge set makes it extra durable and reliable.
Versatile This tool works as a spark plug measuring tool, guitar gap tool, metal shims or 3 D printing thickness gauge.
Accurate readings With this feeler gauge set you can be sure to get accurate measurements every time!
Lifetime warranty The Edward Tools Harden 32 Piece Feeler Gauge Set comes with a lifetime warranty giving you peace of mind that your investment will last.
Common Questions & Answers
Q: What are the sizes of the feelers?
A: This set includes metric sizes from 0.04mm to 0.88mm and inch sizes from 0.0015in to 0.035in plus the additional 0.25mm copper sheet for added durability and accuracy.
Q: What type of tasks can this tool assist with?
A: This feeler gauge set was designed for precision work and can assist with spark plug measuring, guitar gap measurement, metal shims or 3D printing thickness gauging needs!
Q: Does it come with a warranty?
A: Yes! This feeler gauge set comes with a lifetime warranty giving you peace of mind that your investment will last!
Additional Product Information
GEARWRENCH Feeler Gauge Set – 12 Blade & 6 Wire Spark Plug Gap – 164

If youre looking for a reliable tool to help you maintain your car, the GEARWRENCH Feeler Gauge Set is the perfect addition to your tool box. This set includes 12 blades and 6 wire spark plug gap gauges, so you can quickly and accurately measure spark plug gaps and other ignition clearances from 0.010 to 0.045 (0.254 to 1.143mm). The black finish and manufactured-in-the-USA quality make this set a durable and dependable choice for any car owner or mechanic.
Why We Like This
The 12 blades and 6 wire spark plug gauges provide accurate measurements for ignition clearances from 0.010 to 0.045 (0.254 to 1.143mm).
The black finish ensures that this set is durable and built to last over time.
Manufactured in the United States, you can trust that this product meets all safety standards and regulations.
At only 0.2 pounds, this product is lightweight enough for easy transportation and storage in any toolbox or workshop area.
The ease of use makes it suitable for anyone from beginners to experienced mechanics alike!
Common Questions & Answers
Q: What type of measurement does this set provide?
A: This set provides accurate measurement of spark plug gaps as well as other ignition clearances from 0.010 to 0.045 (0.254 to 1.143mm).
Q: Is it safe?
A: Yes! Being manufactured in the United States, you can be sure that this product meets all safety standards and regulations plus, its black finish ensures it will last through years of use!
Q: How much does it weigh?
A: This set is extremely lightweight at only 0.2 pounds making it easy to transport and store in any toolbox or workshop area!
Additional Product Information
Length | 3.9 |
Weight | 0.1 |
Width | 1.3 |
Lisle 67870 Spark Plug Gauge Gap

The Lisle 67870 Spark Plug Gauge Gap is an essential tool for automotive maintenance. With its tapered edge, it’s designed to gauge all types of spark plugs from .020″ to .100″ (.50mm to 2.53mm). It also features a specially designed hole with a flange that adjusts the side wire of the plug without exerting pressure on the center electrode. This makes it ideal for use on modern vehicles with electronic ignition systems.
Why We Like This
Its easy to use – the tapered edge and specially designed hole make it quick and straightforward to measure spark plug gaps.
Its accurate – the gap can be read accurately up to .100″, so you know youre getting a precise measurement every time.
Its adjustable – the special hole with flange allows you to adjust the side wire of the plug without putting pressure on the center electrode, making it perfect for modern vehicles with electronic ignition systems.
Its durable – made from high-quality materials, this tool is built to last and can handle regular use in any auto repair shop or garage.
Its affordable – at an affordable price point, this is an excellent tool that won’t break the bank.
Common Questions & Answers
Q: What type of spark plugs does this work with?
A: This tool works with all types of spark plugs from .020″ to .100″. (.50mm to 2.53mm).
Q: Is it suitable for modern vehicles?
A: Yes, it has a specially designed hole with a flange that adjusts the side wire of the plug without putting pressure on the center electrode, making it perfect for modern vehicles with electronic ignition systems.
Q: How durable is this tool?
A: The Lisle 67870 Spark Plug Gauge Gap is made from high-quality materials and can handle regular use in any auto repair shop or garage without issue.
Additional Product Information
Height | 0.5 |
Length | 4.25 |
Weight | 0.05 |
Width | 3.63 |
Benefits of spark plug feeler gauge
1. Easy to Use: Spark plug feeler gauges are easy to use and require minimal training. All you need to do is insert the blade into the gap between the spark plug electrodes and check the measurement.
2. Accurate Measurement: Spark plug feeler gauges offer highly accurate measurements and can help you identify any problems with a spark plug.
3. Durability: Spark plug feeler gauges are made of durable materials, which makes them ideal for long-term use and helps ensure they last for years.
4. Versatile: Spark plug feeler gauges can be used on a variety of spark plugs, allowing you to easily measure different sizes and types of spark plugs.
5. Cost-Effective: Spark plug feeler gauges are relatively inexpensive compared to other types of measuring tools, making them an economical choice for automotive repair tasks.
Buying Guide for spark plug feeler gauge
What is a Spark Plug Feeler Gauge?
A spark plug feeler gauge is a tool used to measure the gap between the electrodes of a spark plug. It is made up of two sets of blades, one set metric and one set imperial, that allow for accurate measurement of the spark plug gap. The feeler gauge has an adjustable handle that can be adjusted to fit different spark plugs.
What to Consider When Buying a Spark Plug Feeler Gauge
1. Measurements: The most important factor to consider when buying a spark plug feeler gauge is the range of measurements it offers. Look for a gauge that offers both metric and imperial measurements, as well as a wide range of increments in between.
2. Durability: Spark plug gauges should be made from durable materials that can stand up to repeated use and wear and tear over time. Look for gauges made from steel or other sturdy materials that will last for years without needing replacement.
3. Handle: A good handle on the gauge will make it easier to use and manipulate in tight spaces, such as on an engine block or cylinder head. Look for handles that are adjustable, comfortable, and easy to grip so you can get accurate measurements even in difficult-to-reach places.
4. Price: Spark plug feeler gauges come in varying price ranges depending on size, material, and brand name. Keep your budget in mind when shopping around so you dont end up spending more than you need to on a tool you may not need regularly or extensively.
Where to Buy a Spark Plug Feeler Gauge
Spark plug feeler gauges can be purchased from most automotive parts stores as well as online retailers such as Amazon or eBay. Its important to read reviews before purchasing any tool online, as some may not be of the quality you expect or need for your particular application.
The spark plug feeler gauge is a useful tool for checking and adjusting gap widths in spark plugs. It can be used to measure the gap size between the electrodes of many types of spark plugs, allowing for precise adjustments. With its simple design and versatility, it is a must-have accessory for anyone who works with engines.