Plugs on a 2002 300x

[v8etr]

I am switching to the ngk iridiums should I buy the NGK-BR8HIX or the NGK-BR7HIX or does it matter?

Thanks

[jlay]

Do a search on here, but i believe you HAVE to run the champion QL77pp's I have a 01 300x and it is the ONLY ones you are supposed to use.

[v8etr]

I have looked and have seen people running both. I was just checking to see if it matters which one I run.