68-70 340 exhaust manifolds

I have a beautiful set of 68-70 340 exhaust manifolds, these are in excellent shape, no cracks or pitting
The heat riser is complete and correct working order
the casting numbers are 2863553, 2863549
$450 shipped in the USA
I take paypal but 3% must be added
Boxed and ready to ship
I can e mail or text pics