big block exhaust manifolds

have a few sets of exhaust manifolds for 383,400,440 b-c-e body
qty 1-2843992
qty 1-2899879
qty 2-2863409
qty 1-2951216
qty 3-2806900

all manifolds are very good condition very little too no pitting,some heat risers are broke or missing.$50 each plus shipping pm with questions located in des moines,ia