I have a pile of 430 parts for sale or trade:

UNUSED Reground camshaft (never installed) in box.
8 NEW OLD STOCK FoMoCo intake valves.
I have a spare 383 block from a 58 Merc which is the same as the 430 block.

I have a pair of heads for a 383 but fit the 430.
8 NEW .030 flat top pistons with wrist pins and rings.
I have a set of USED correct type .030 pistons for a 430 (high tops both left and right sides)
Flywheel with reinforcing disk and misc. parts like rocker arms and pushrods etc.