340 High Performance Exhaust Manifolds

You do know you can get NEW reproductions, right? If you aren't interested in "numbers" they might be for you.

Exhaust Manifold Set 340 68-70 | Roseville Moparts

I agree.

IF this car is not an original 340 car or a super accurate to original clone… I don’t see it making much sense in that particular case to pay over $600 for used ones.