We had Champion platinum on the v-6 line that I worked on...
They would fit a small block also.... :D :thumbsup:
Needless to say when they redesigned the engine and got a different style plug a few of them jumped into my pockets and made their way home... (They were going to get scrapped anyway...) :popcorn:
Unfortunately all of them have been used and I don't have any more... :(