Wich plugs for an hei distributor?

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I have a71c10 that ive been driving arround town for a couple of months. The truck sat for 10 years and its got who knows how many miles on it. Its got a 350 and im going to replace the points dist with an hei dist that came out of an 83 van. right now its got " autolite 25''sparkplugs that have been on there for at least 11years. I went to autozone and they recommended everithing from iridium, platinum to copper, like 10 diifferent plugs. So i just wanna know if there is a difference between points an electric distributor sparkplugs, and what you guys would recommend, any help is greatly appreciated. Thanks