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Reviewed in the United States on February 27, 2025
Best set if you don’t have both. I used the feelers for the spark gap and valve clearances.The main tool has spots on the backside to pry open a tight gap.
Fco. Marxuach
Reviewed in the United States on February 26, 2025
I looks good and is very easy to use, but it is not universal. What happens with the small engines? Trimmers, Blowers, Chainsaws, etc, that uses smaller spark plugs? None of the gappers shown on Amazon work with them. Do some take the step to make a new gapper for two cycle small plugs like the 7T, BPMR7A, Champion CJ8, RCJ6Y, RCJ7Y, BPM8Y, etc.? There are a lot of this small plugs every were.
dijadoit
Reviewed in the United States on January 29, 2025
It does the job, feels pretty solid and well made. As for the feeler gauge, its ok but I use wire in combination in setting the gap.
SM
Reviewed in the United States on September 27, 2024
I'm used to adjusting spark plugs with the gap tool. Usually works okay, but I saw this and thought I would give it a whirl. I have to say it was a handy little tool that made me feel a bit more confident with my adjustments. The plug sits in nicely and you insert the feeler gauge and gently compress via the little turning handle. For increasing the gap there are several slots on the other side to use. Nice little device that is nicely made. Compact and takes up little space in my tool box. Glad I got it!
Ghost Rider
Reviewed in the United States on October 26, 2024
I picked up this spark plug gap tool for an easy way to adjust my spark plugs. I'm not an expert mechanic, but I like taking on DIY car tasks, and this toolkit fit the job perfectly!The kit includes a gap adjustment tool compatible with 10mm to 16mm plugs, and a 32-blade feeler gauge for precision. It’s simple to use, lightly oiled for rust prevention, and covers a wide range of vehicle types. The adjustments were smooth, and I easily achieved the correct gap of 0.035 inches.The tool feels reliable, no unnecessary gimmicks. After adjustments, my spark plugs were right on target, giving me confidence in their setup.All-in-all, this spark plug gap tool is easy to use, effective, and worth having for anyone interested in DIY car maintenance.
Rsscully
Reviewed in the United States on October 26, 2024
This is a convenient set for making those minute adjustments in spark plug gap. While they are passable for adjusting plugs, those round key chain gappers do not offer the ease and precision that this combination does. The gapping tool is great and would only be half of the equation with out the included feeler gauge. This tool allows you to increase or decrease the gap without risk of damaging the insulator or breaking off the ground electrode. This tool fits most common sizes of spark plug and the overall construction feels solid. I did put a bit of grease on the threads to prevent galling the threads on the adjustment knob
Rudy W. Maich
Reviewed in the United States on October 25, 2024
Right off I will say that this is a completely unnecessary product. I've been setting spark-plug gaps with nothing more than a feeler gauge and a small screwdriver or knife (and a hard surface to tap the plug on) for almost 60 years. However, that said, having tried this product, I will never NOT use this product again. Pop in a plug, slip the feeler gauge in the spark-plug gap, tighten the knob - done!! A perfect gap, no fuss, no damage to the plug. I don't know how I managed without this for all of these years. I absolutely love it!
Highwayman
Reviewed in the United States on October 15, 2024
The Spark Plug Gap Tool is an essential addition to my automotive toolkit! This tool comes with a 32-blade steel feeler gauge that makes adjusting spark plug gaps quick and precise. It’s compatible with most spark plugs (10mm, 12mm, 14mm, and 16mm), which is great for versatility across different vehicles. The bright red color is easy to spot in my cluttered garage, and the construction feels durable and sturdy. I appreciate how simple it is to use—just select the right gauge and adjust the spark plug accordingly. This tool has definitely improved my maintenance routine. Highly recommend for both novice and experienced DIYers!
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