You might try Antique auto supply in Arlington tx. Talk to Stacy the owner he has shelves full of new old stock fuel pumps and probably rebuild kits also. This guy has 9 warehouses full of NOS parts for GM Fomoco and Mopar.
Antique Auto Supply
1225 Colorado Lane
Arlington, Tx 76015
(817)275-2381
Fax (817)275-6922
Hope this helps
Tom
