OEM 1970 to 73 340 vacuum advance #3656066

This is a OEM 1970 to 73 340 vacuum advance #3656066.
It works good, but could use a cleanup. $25.00. Local
pickup, or buyer pays shipping.

This is the correct distributor vacuum advance for the
following with 340 CID engine and electronic ignition:
1970-71 Plymouth Barracuda - 'Cuda - Duster - Scamp with
automatic transmission; 1970-71 Dodge Challenger - Dart -
Demon with auto trans; 1972-73 Barracuda - Challenger -
Charger - 'cuda - Dart - Duster - RoadRunner - Satellite -
Scamp with manual or auto trans, and may be correct for
other models as well.