Spark plugs have long been a popular area for innovation of this sort. One of the latest comes in the form of the E3 spark plug. This one falls into the plausible-but-unlikely category.

Spark plugs are one of those mechanical components that can easily be forgotten about, but they do need to be changed at some ...

Easy to see why they might be! Certainly it seems unlikely to be the only commission that leaves E-Type UK with two spark plugs per cylinder. Or you could opt for one they’ve prepared earlier ...