I have a few sand cast motor left overs from past projects....
Early '65 cast, center oil, Solex timing covers w/ radial seals; walnut shell blasted #1 $400
'65 cast, non center oil but mechanical fuel pump covers (pretty rare bird); walnut sell blasted #2 $275
'67 single cover non mechanical pump; original #3 $100
'65 timing chain boxes; walnut shell blasted $300
'65 alternator housing w/901 part number; original $375
Plus actual shipping and insurance