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⚡ Tune like a pro, gap like a boss!
The Silverline Spark Plug Gap Tool (0.5 - 2.55mm) is a precision-engineered, solid alloy steel tool designed for accurate spark plug gap adjustments. Featuring a flanged hole to protect the center electrode during side wire tweaks, it offers universal compatibility with motorcycles and automotive spark plugs. Compact and durable, it’s the essential tool for professionals and DIY enthusiasts aiming for optimal engine performance.





| Asin | B00865SXQ4 |
| Automotive Fit Type | Universal Fit |
| Best Sellers Rank | 200,730 in DIY & Tools (See Top 100 in DIY & Tools) 848 in Hand Tool Sets |
| Brand Name | Silverline |
| Compatible With Vehicle Type | Motorcycle |
| Core Material | Alloy Steel |
| Country Of Origin | China |
| Customer Reviews | 4.5 4.5 out of 5 stars (1,389) 4.5 out of 5 stars |
| Gap Size | 2.55 Millimeters |
| Global Trade Identification Number | 05024763079771 |
| Included Components | 1x Spark Plug Gap Tool (0.5 - 2.55mm / 0.02 - 0.1") |
| Item Type Name | Spark Plug Gap Tool |
| Item Weight | 0.02 Grams |
| Manufacturer | Silverline |
| Manufacturer Part Number | 202148 |
| Manufacturer Warranty Description | Manufacturer |
| Model Number | 202148 |
| Thread Size | M14x1.25 |
| Top Material Type | Alloy Steel |
| Upc | 798256107603 |
User
Great idea
I bought this for my husband. It's a cracking little tool and can be used often with what he does. He loved it and also loved the fact it can be put on a keyring and carried everywhere without inconvenience
User
Cheap but really useful gapping tool
Saved a lot of money by buying and fitting spark plugs myself in a 6 cylinder. Great little tool, easy to use.
User
Quick and Simple to Use
This is a useful tool - forget feeler gauges, this is easier and quicker to check a gap on a plug. I have feeler gauges but this is better as the feeler gauges are far more delicate and easier to damage or loose some of them in the bottom of a toolbox. This is more robust, easier and quicker to use. It is cheap too. Manufacturing quality is adequate rather than very good hence 4 stars. Recommended.
User
Does what it says, great to have in the tool box
I got this to check some pre-gapped spark plugs and it worked quite well, very handy to have in the tool box for checking gaps on plugs etc. feels sturdy and well made as expected from Silverline.
User
A must have.
This is a must have for all people that need to check spark plug gaps. Much easier to use for spark plugs than selecting the correct feeler gauge, just slide the spark plug around the tool to the desired gap and close the plug gap to suit. Metric on one side and imperial measurement on the other. I have not checked accuracy against a set of feeler gauges but found it perfect for my engines.
User
Spark Plug tool
A reasonable product, quality as one may expect at the price and of Chinese origin
User
Does the job and handy to check and adjust spark plug gaps.
Good quality easy to use tool. A staple for any mechanics tool box. Even though alot spark plugs come pregapped it is very good practice to check the gap anyways. This tool is ideal for this task and being able to adjust the gap to the correct specs.
User
Good quality, useful for opening the gap but not sure of the accuracy since the disc is small.
Good quality, useful for opening the gap but not sure of the accuracy of the markings since they are too close to eachother since the disc is small.
User
Spark plug
Works like supposed to
User
Very useful
Looks pretty good and exactly what I need. Changing the gap of a bougie is not that simple
User
Gute Zündkerzenlehre
Die Zündkerzenlehre Funktioniert und ist akkurat.Klare Kaufempfehlung.
User
Comodo e perfetto
Usato per controllare che la spaziatura di fabbrica di 3 candele NGK fosse davvero conforme, tutte e 3 erano spaziate correttamente a 0.028"/0.7mm, è piuttosto preciso
User
tient dans la poche !!!
très bien pour dépanner en voyage,
Trustpilot
2 days ago
3 weeks ago