What is the spark plugs proper gap?

2011 FORD FLEX
147,000 MILES • 3.5L • 6 CYL • TURBO
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Proper spark plug gap, I’m getting three different gap sizes searching online. Do you know the proper spark plug gap?
Aug 20, 2022 at 11:02 AM
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Hello,

The spark plug gap should be 1.29 - 1.45 mm (0.050 - 0.057 in).

Let me know of any questions. Check out the images (below). Let us know if you need anything else. Thank you.
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Aug 20, 2022 at 4:06 PM