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'Factory' high performance spark plugs

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'Factory' high performance spark plugs
PowerDubs_imp Offline
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#1
03-18-2023, 07:22 AM
Found these plugs- made by NGK and appear to only be sold in Japan.

Just ordered a set.

The pictures- although I only read english- appear to show claimed fuel access to the spark area- and increase in flame propagation once lit.

It also appears they show increased fuel economy and power output.

I'll leave it to others to test MPG- but I will be able to test power on my dyno.


Stock plug-







Performance plug-


[Image: c292f6f5dbac6177770300783a8e548a.jpg]




[Image: 721af46a4dc528f66842937148bc3d7a.jpg]

[Image: e7d3c30be86cdbf5a325830f4a9eba56.jpg]

[Image: f1bd7f22d29b25f1b221241b93de85da.jpg]

[Image: 8fda1cd1026d978596555f7a86984de6.jpg]

[Image: 5be06ff8db10d4819507174b82bb8c90.jpg]

[Image: 37661adfeeff4217f070c9a61c44c7d5.jpg]



NOTE- that they *look* very similar to these, other than the solid non removable terminal below- but if you look close- these still have the square style as opposed to the D shape-


https://www.ngk.com/ngk-90992-silmar8a9s...spark-plug


[Image: 001f78288937daa03bf3294574343263.jpeg]
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'Factory' high performance spark plugs - by PowerDubs_imp - 03-18-2023, 07:22 AM

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