1968 Z-28 Exhaust Manifold

[KNAPPY]

Need a good set of exhaust manifolds for my 68 Z-28
3872730 and 3892683. Would like April date but I'll take what I can get.

Thanks

[1967Z28]

I've got a "730" dated C-18-8 and a "683" dated L-20-6. The "683" has a smog tube and the other does not.

[ALLZS]

I have a set with original smog tubes the date are kinda light