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Heavy Duty Spark Plug Gapper Kit
MFR Model# ATS420DX
Overview
| A complete spark plug gapping solution for field or bench use includes the Heavy Duty Spark Plug Gapping Tool to accurately set your spark plug gaps to within 0.001". You also get a set of wire feeler gauges to verify gap size. If you should happen to accidentally over-gap the plug, then the included Gap Expansion Tool will get you back on track. And finally, included in the Kit is an Electrode Erosion Gauge to make sure that your gapped plugs are still in serviceable condition. |
Specifications
- Sets gaps to within 0.001"
- Compatible with all Champion, and AutoLite Massive Electrode Spark Plugs
In The Box
- Gapping Tool
- Feeler Gauge
- Erosion Gauge
- Gap Expansion Tool
Reviews
This is easy to use and well constructed. Thanks
Verified Purchase
Heavy Duty Spark Plug Gapper Kit AtS420Dx
Works very well, although a somewhat tedious and time consuming process to gap each spark plug. The erosion gauge (go- no go) was well worth the effort in order to ensure spark plugs with over 500 hours of use we’re still serviceable.
Verified Purchase
Heavy Duty Spark Plug Gapper Kit AtS420Dx
Love this kit.. Minor modification required.. I rounded the bottom of the spreader as it was leaving marks on the spark plugs. I would highly recommend this tool kit. It works great!
Verified Purchase
Heavy Duty Spark Plug Gapper Kit AtS420Dx
Verified Purchase
Heavy Duty Spark Plug Gapper Kit AtS420Dx
This spark plug gapper tool and the gap gauges make it easy to check and set the gap correcty for aircraft spark plugs.
This is a nice kit. It is a little expensive for what you get, but everything is very nicely made and quite heavily constructed - heavier than I expected it to be.
Not used yet but first impressions are very positive. Looks well built and was well packaged.
The Spark plug gapper kit is well built and works works nicely.
Verified Purchase
Heavy Duty Spark Plug Gapper Kit AtS420Dx
No instructions included and the gap expander is not hyper self explanatory. Different from automotive spark plugs. None of the settings on the gap checker were settings for my engine (0.016-0.022”) and the edges of the electrodes were closer to the center electrode than the center leading me to guess which part of the electrode I should be setting the gap to. I wanted to set to 0.016” but could only guess that they were correct since it was less than 0.018” and more than 0.015” (from memory).
It works. However, the wire gauge is made from cheap plastic. The rest of the kit is quality made.
Q&A
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.
Yes, this would work with all Tempest and Champion aviation spark plugs.
Works with 18MM spark plugs only.
