Spark Plugs and Wires
Chevy Tahoe

What size socket to use on spark plugs?

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Wiki User
2012-01-12 22:27:58

Depends on type of plug you buy just check size at store they

should be able to sell you the proper plug for your application

NEW ANSWER: The small plug is a 5/8 and the big plug is a

13/16


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