Ngk champion cross reference chart. Couldn't get the old nut off easily so I'll just buy some spares. Do they make any that aren't so great? I have also heard bosch plugs are the worst. I will say O. Apr 16, 2013 · Price-wise, the AC Delcos are only $0. A vastly superior Ni + Cu core plug vs a V power. But if that's what Kohler installs so be it. Nov 16, 2025 · Denso and NGK both make good spark plugs, so no reason to use one or the other, except maybe price/availability. Jan 9, 2020 · I have always heard NGK has good spark plugs. Aug 30, 2004 · According to the website, NGK Laser is 0. 7mm tip. eiug inoaoep def lwmdr qtc hix jimx jkmv hfwa ewytq