Description
SP1 Double-End Spark Plug Wrench — 12-121
SP1 Spark Plug Wrench Double End — 12-121
Features and specifications
- Fits spark plugs with 14mm or 18mm threads
Application
Universal workshop/service tool. Not a motorcycle-specific replacement part. Match the stated sizes, drive, thread, pressure, electrical requirements and intended task before use; follow the tool and vehicle service instructions.
What you receive
One tool. The stated piece count is the complete retail selling unit.
Product identification
- Brand: SP1
- Manufacturer part number: 12-121
- WPS part number: 11-1082
The supplier describes applications by 14 mm or 18 mm spark-plug thread size; these are not the wrench hex dimensions. Check plug hex and access clearance before ordering.

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