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Home / Tools / Spark Plug Tools / Gauges /ATS Spark Plug Gap Gauge
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ATS Spark Plug Gap Gauge

25 Reviews 2 Answered Questions
$46.50/Each
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Part# 12-01692
MFR Model# ATS450

Overview


Convenient Gap Gauge for all Champion and Tempest massive electrode spark plugs. Slider design keep gauge wires stowed away when not in use.

• Retractable slider design
• Includes wires for .015", .019", .018", and .022"
• Works with all Champion and Tempest Massive Electrode
Spark Plugs
• Replacement Wire Gauges are available. 1lbs shipping weight.

Reviews

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Gordon S Verified Purchase

ATS Sprk Plg GAP Gauge AtS450
June 24, 2025

Gary T Verified Purchase

ATS Sprk Plg GAP Gauge AtS450
May 31, 2025

Great value

Skie F Verified Purchase

ATS Sprk Plg GAP Gauge AtS450
October 31, 2024

nice

Robert E Verified Purchase

ATS Sprk Plg GAP Gauge AtS450
October 27, 2024

Good for Go - no Go on massive electrode plugs. Works well. Brian

Creek A Verified Purchase

ATS Sprk Plg GAP Gauge AtS450
April 23, 2024

Parfait

Gilles C Verified Purchase

ATS Sprk Plg GAP Gauge AtS450
March 27, 2024

Joel Verified Purchase

ATS Sprk Plg GAP Gauge AtS450
May 13, 2023

Must have if you’re gapping your plugs

Marcos S Verified Purchase

ATS Sprk Plg GAP Gauge AtS450
May 3, 2023

Does exactly what youd expect

John B Verified Purchase

ATS Sprk Plg GAP Gauge AtS450
April 27, 2023

Seems identical to the Champion gap gauge.

Joseph C Verified Purchase

ATS Sprk Plg GAP Gauge AtS450
April 12, 2023

Q&A

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Please note, Aircraft Spruce Canada's personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Aircraft Spruce Canada assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.

Q: Will the replacement wire gauges fit the Champion holder?

They probably will, but since they are made by different manufacturers they cannot confirm. Part number 12-04915 is the Champion brand replacement.

Q: What tool would be required for fine wire plugs?

You would need our part number 12-00798.

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