Quote:
Originally Posted by Sapphireho
So does this mean if/when they stop making the twins we all better go out and buy a few sets of plugs?
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You'll be good at least 5 years after it gets shut down (I'd say closer to 10 before things start getting difficult), good manufacturers stockpile parts to keep cars on the road. There's a chance that the plug type actually becomes more common as compression ratios creep up and direct injection becomes more common. But if that doesn't happen and you're looking for plugs in ~30 years good luck.
But that might be true for all spark plugs at that point. And hey, maybe plug manufacturing becomes a niche industry and they build to order anyway.
Predicting the future is hard.