The parts store where you bought the plugs will tell you the gap.
They usually write the gap on one of the boxes when I buy plugs.

The size gap depends on the year the vehicle was made. Early 460 plugs were
gapped at .028 inches. The ignition systems got more powerful over the last
40 years and many of the 460s recommend a gap of .040.  If you have carbon
resistance wires make sure that they are in good condition.

You could check the gap of the old plugs. A feeler gauge will bridge the
worn area on the electrode and give you a good idea of the previous setting.

What model year, and what vehicle is it? Look it up at the auto parts store
or in a shop manual. The plug gap should be on the emissions sticker under
the hood. You can also look it up online at NAPA, Autozone, and other auto
parts suppliers.

The simple answer is YES!

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