Slide over the spark plug and use a 7/8" wrench to turn the socket. Pictures show 5/8" socket - but you will receive a 13/16" socket. Quality USA made socket properly modified on a lathe.
Stubby Short 5/8" Spark Plug Socket for tight areas, headers, snowmobiles
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Snap-On ™ CT9038 Stubby Short Impact Wrench Cover Boot 18v 3/8 Brushless GREEN
Snap-On ™ CT9038 Stubby Short Impact Wrench Cover Boot 18v 3/8 Brushless Yellow
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Craftsman Tools USA (WF) NOS #2 Phillips Stubby Short Screwdriver - Model 4118