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46 Posts
Discussion Starter · #1 ·
Its time to change the plugs on my T

does anyone know whats the difference between
NGK Iridium
NGK OEM Iridium

NGK Iridium is what ive been using on my Japanese vehicles (since iridiums been on the market)
NGK OEM iridium is new to me

If i had to take an educated guess I'd say they are one in the same but possible the OEM version is already gapped OEM specs

anyone know for sure?
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