I just called Progression Ignition and they said that the height has not changed. I also just visually checked in my car and it is tall like the one in the last photo. I got my distributor two or three years ago. This tells me that it does fit under an engine screen because we put one into a customer car that has the screen. This took place early last year . We had to switch to the female (non HEI) cap for it to fit.
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