
The 18mm plugs looked and fitted well but of course I noticed after installing 12 of them that many of the tops were potted in epoxy , because they left improper air intake gaps. Of the 16 I ordered, 8 were like this and therefore unusable. Luckily some silicone and tape stuck them in place, but I was disappointed that I had to do this and time will tell if it actually worked or not.

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Sunex 884504: High-Quality 3/8-Inch Drive Thin Wall Spark Plug Socket - Metric CR-MO Construction
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Hairstyler Dyson Airwrap complete long HS05, bright nickel/bright copper
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