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Lisle 67800 Spark Plug Gapper

by Lisle
3.3 out of 5 stars 37 customer reviews

List Price: $9.63
Price: $2.19 & FREE Shipping on orders over $35. Details
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Only 7 left in stock (more on the way).
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$2.19 Add-on Item & FREE Shipping on orders over $35. Details Only 7 left in stock (more on the way). Ships from and sold by Amazon.com.

Frequently Bought Together

  • Lisle 67800 Spark Plug Gapper
  • +
  • Permatex 81343 Anti-Seize Lubricant, 1 oz. Tube
  • +
  • Permatex 22058 Dielectric Tune-Up Grease, 3 oz. Tube
Total price: $12.47
Buy the selected items together


Product Information

Technical Details

Brand Lisle
Item Weight 0.2 ounces
Product Dimensions 4.2 x 3.6 x 0.5 inches
Origin China
Item model number 67800
Exterior Smooth
Manufacturer Part Number 67800

Additional Information

ASIN B0009OR90Q
Customer Reviews
3.3 out of 5 stars 37 customer reviews

3.3 out of 5 stars
Best Sellers Rank #13,484 in Automotive (See top 100)
#16 in Automotive > Tools & Equipment > Spark Plug & Ignition Tools
Shipping Weight 2.4 ounces (View shipping rates and policies)
Domestic Shipping Currently, item can be shipped only within the U.S. and to APO/FPO addresses. For APO/FPO shipments, please check with the manufacturer regarding warranty and support issues.
International Shipping This item can be shipped to select countries outside of the U.S. Learn More
Date First Available July 7, 2004

Warranty & Support

Warranty, Parts:Parts

Product Description

For standard ignition.

Customer Reviews

Top Customer Reviews

Verified Purchase
Be aware -- the product shown is not the same as what now ships -- it has been replaced by an inferior version (made in China) which does not perform as well as the original. The 6 different size gap rings around the tool have changed from the somewhat flat "U" shape to a sharper inverted "V" point which is harder to use & far less accurate -- and this tool is supposed to be all about accuracy. I know that companies switch to offshore manufacturing to cut costs & improve profit margins, but come on...this is a $3 item...or rather, it used to be...now it's more like a $1 item and not worth even that. Disappointing. Amazon should update their photo for this item to reflect the change.
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Verified Purchase
If you want to gap spark plugs this is the kind of gapper you need for modern spark plugs. It contains 6 wire gap sizes that are labeled for both imperial and metric systems (one system on each side). The sizes include:

Imperial (in): .025, .030, .034, .035, .040 .045
Metric (mm): .64, .76, .86, .89, 1.02, 1.14

Unless mine was made wrong the sizes are for the wire on the opposite side of the circle, not the closest wire. So if you are reading the number its the wire facing you, not the one pointing away. It should be easy to find out which way it goes, since the bigger wires correspond, obviously, to bigger gap measurements. Seems to be built decently well and will get the job done. Has the tools on the side for adjusting gap.
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Verified Purchase
This style of gap gauge is the correct tool for gapping your spark plugs. The attached ground strap adjusting tools on this gauge are a nice addition. The range of this particular gauge is good for most forced induction engines.

Do not rely on the cheap 99 cent coin-type ramped edge "tools" that you find at the counter of your local auto parts store. Not only is that an inaccurate method of measuring the gap, doing so most often damages the plugs before you have even installed them.
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Verified Purchase
I was trying to gap my NGK spark plugs to recommended specs (between .045 and .040), and what I found out was that the .045 gapper will fit before the .040 gapper can fit. very inaccurate, and would not recommend it to anyone.
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Verified Purchase
This item broke during first use. I would not recommend. A spark plug gapper should designed to last a lifetime.
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Verified Purchase
When I first got this gauge, I measured the wire width with a micrometer caliper just to make sure, and these are spot on. Way better than the ramp/disc gauges that you get at the auto shop for 99 cents. The wire gauge ensures you can measure a proper gap on both sides of the electrode -- ramp gauges often result in a crooked strap and/or damaged electrode. This gapper also has teeth that can be used to make safe and gentle adjustments to the strap without tapping or prying, which yields a smoother electrode and strap. It's worth it to spend the extra few bucks over a ramp gauge.
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Verified Purchase
I purchased this tool mainly for the adjusting ends to open and close the gaps. In that respect it works great. Wire gauges are great, just make sure you have your size available. Good tool.
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Verified Purchase
Not much to say about it other than it works well. The adjustment tools are a great touch. Great product.
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