I've been using NGK for at least a dozen years now on my 1972 SAAB 1.7L V-4. They are consistent for fuel efficiency, smooth firing, and they hold the gap throughout their life span. I have pulled out plugs after a year of driving (approx. 7000-8000 miles, 80% highway / 20% street), and all I need to do is clean the soot from my rich carbureted mixture with brake cleaner and check the gap. I have yet to regap a set of NGK plugs. I used Bosch plugs for decades until they started showing up dead right out of the box, and then would not hold a gap after 4000-5000 miles. For ignition consistency and long operating life, I recommend NGK.
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It made starting the engine with much more power and seemed it helped save more on fuel? The period In which I had to refill the tank with gas seemed to become in longer periods? I definitely seem to think that the plugs helped me use lessm gas
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These are the exact NGK spark plugs I needed. They work perfectly, sold in a group of 12, which is what I needed for my car. Priced much lower than I could buy them from a auto parts store.
Verified purchase: Yes | Condition: New
awesome , got them for my power washer !!! runs like champ, and you guys fast an accurate !! products !!! great job !!!
Verified purchase: Yes | Condition: New
This is the regular spark plug before platinum and iridium came out, just doesn't last as long. Works fine
Verified purchase: Yes | Condition: New
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