I have been allways affraid on use the rubber seal. I have changed twice in 10 years, but the original never leaked in 20 years before.

Now that I'm working on the 450 stroke, was thinking about

Thinking now on the rope seal back... I think I can find dozens OF THOSE NOS AROUND in an Old Mopar dealer.

I guess there is not a problem using a NOS one ?

With a Charger born in Chrysler assembly plant in Valencia, Venezuela