Quality USA made socket properly modified on a lathe. Slide over the spark plug and use a wrench to turn.
Stubby Short 13/16" Spark Plug Socket for tight areas, headers, snowmobiles
Lincoln Tools (LMC) No. 1200 Push-Button STUBBY Short Pneumatic Air Grinder Tool
Snap-On ™ CT9038 Stubby Short Impact Wrench Cover Boot 18v 3/8 Brushless GREEN
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Snap On No. 2 P2 Stubby Short Phillips Screwdriver Orange Hard Handle SDP22 USA
Craftsman Tools USA (WF) NOS #2 Phillips Stubby Short Screwdriver - Model 4118