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How accurate is the CTA Tools 3235 Spark Plug Gapper?

Published: March 26th, 2024
1 min read
CTA Tools 3235 Spark Plug Gapper
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The CTA Tools 3235 Spark Plug Gapper seems to be a hit among car enthusiasts and mechanics because it's pretty straightforward to use and feels solid. You can tweak spark plug gaps accurately, which is a big deal for getting your engine to run smoothly. According to the manufacturer, it covers a range from .020" to .100", so it's versatile enough for different plug sizes.

The gapper is made from durable die-cast material, and folks generally like its handy size—it even hooks onto a keyring. That's a bonus if you're often tinkering around with cars.

But, here's the catch: our research indicates that while many people find it reliable, some have pointed out that its measurements can sometimes be a bit off. If your car's engine requires spot-on measurements, it might be wise to double-check gaps with other tools just to be sure.

Overall, it's a decent tool for anyone who regularly does vehicle maintenance, but just keep in mind that it might not always be 100% accurate on its own. If precision is crucial, using an extra tool to verify could save you from potential hiccups.

Lowest price
$5.77 at Amazon
Price seen Oct 5, 2024

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How we researched this

Where this comes from: this answer draws on the product's published specifications and the reviews ShopSavvy collected for it, alongside prices from 16 retailers in ShopSavvy's price data, most recently seen Oct 5, 2024.

Where to Buy

Prices last seen Oct 5, 2024
RetailerPriceLast seenBuy
$1.39Oct 5, 2024
may have changed
$1.39Oct 5, 2024
may have changed
$1.40Oct 5, 2024
may have changed
$1.40Oct 5, 2024
may have changed
$1.40Oct 5, 2024
may have changed

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