Your cart is empty.
Your cart is empty.This patented universal spark plug gauge is always at your fingertips by utilizing the pocket-clip feature for your shirt pocket. Full range coverage for all spark plug gapping requirements from .020 inch to .080 inch. This range includes older model vehicles and later model vehicles including those equipped with distributor less ignition systems.
Mike N.
Reviewed in the United States on September 30, 2024
This is a simple tool for checking/changing spark plug gaps. The ramp-style gauge works well, and the negative electrode spreader fixture at the end of the tool fitted my iridium plugs easily and reliably. I bought two of these and am looking forward to using them in the future.
dre
Reviewed in the United States on November 7, 2024
The product seems, fairly well made. If used correctly it probably will last for some time. Just keep a plug level as you pull it through, never tilt it as you slide it. It will dig into the metal and cause burrs. Very satisfied with the replacement.
A. Armstrong
Reviewed in the United States on November 4, 2024
Works fine and shows decimal and metric gap sizes.
Thomas Colwell
Reviewed in the United States on October 24, 2024
It’s the nice straight ramp style gapper, it’s a little smaller than the snapon one but it works exactly the same.
Earnest Foster
Reviewed in the United States on October 19, 2024
simple, works as advertised
R. Thompson
Reviewed in the United States on April 23, 2024
These are great spark plug gapping tools made in the USA at the best price around. I ordered several extra to give away as door prizes at my dirt bike club. Price is great and made in USA makes it all even better. I have been using this brand for 15 years and love them. Thank you.
Stephen Throop
Reviewed in the United States on September 1, 2019
If my old car had sat long in wet weather, I might have trouble when I started home from a short errand. I replaced cables, coils, the distributor cap, and plugs. I applied dielectric grease. Still, there was a bit of a problem.I had set the plug gaps to 1.1mm because that's how they come if you buy them gapped for this model. I decided to reset them to 1.0mm, the specified minimum. I discovered that the gauge I had gave erratic results. The first time, a gap might feel too tight. If I tried it again it might feel too loose. The wire loop was so small that it seems I couldn't tell if I was holding the gauge askew.I ordered the EZ Grip. The "bottle opener" hole to pry the ground electrode looked dandy, but I didn't need it. By placing a plug in a socket with an extender, I made an assembly with much more mass than the plug alone. When I tapped with a fairly big wrench, there was enough momentum to close the gap in small increments until it was just right.I'd put the plug on the thin end of the gauge and slide it up until i felt resistance. If the 1.0 mark was at the center of the electrode, I figured the gap was 1.0.I'd wanted to check the gauge, but without a vise, I didn't know how to keep a caliper at a certain point on the gauge and keep it at right angles to the gauge while moving my eyes to a position where I could read the display. A solution occurred to me later. I'd lock the caliper at gaps in increments of 0.1 mm and see how far it slid up the gauge.I found that from 0.6 to 1.8mm, the gauge was .05mm too thick. Reading the mark at the center of the electrode would add to the error because, if the end of the center electrode is flat, it's the leading side that meets resistance. The diameter of a standard center electrode is 2.5mm, so a reading at the center would be about .04mm low.That would total .09mm too low. The gauge isn't that precise, so I'll call it 0.1mm. Now I know to look for a reading 0.1mm smaller than the gap I want. When I'd set my gaps, I'd read the gauge at 1.0, but I'd set them at 1.1.When I'd started to tighten those gaps, the EZ Grip had showed them to be 1.1mm. That means they were actually 1.2. That may well explain my "weak spark" problems. I won't trust the gauge with the tiny wire loops again.I'm confident that my caliper was correct because I've checked it with feeler gauges. If I'd used feeler gauges in the first place, I could have avoided this trouble. Well, the EZ Grip is quicker to use, and I like the "bottle opener." I'll just have to remember mine reads 0.1mm low if I read it at the center of the electrode. I can use feeler gauges to double check.
Christopher Lang
Reviewed in the United States on June 28, 2017
This is one of those tools that you probably won't use terribly often (unless you're a professional) but it's worth the admittedly small asking price. It's simple but functional. One side is inscribed in inches and the other side in millimeters. It's easy to open plugs with the squared off opening in at the end of the tool and then to check against the gauge along the edge. If you open your plugs too far it's definitely harder to close them but it's ridiculously easy to open and check them with this tool. I can't say that I've calibrated it's accuracy or anything but it's good enough to get all your plugs consistent. The handle is hard plastic and is comfortable enough and no rough edges. The gauge is a nice cast piece and mine did not have any imperfections that would affect it's usage. I'm glad I spent six bucks on it.
Recommended Products
$18.18
$ 8 .99 $8.99
$59.72
$ 27 .99 $27.99