The Virtual Indian Group
https://groups.yahoo.com/group/VirtualIndian/
The 1920s Indian Chief Group
https://autos.groups.yahoo.com/group/1920sIndianChiefMotorcycles/
specializing in pre 1916 antique motorcycle carburetors and other rare parts
https://earlyamericanmotorcycle.com/
JUERGEN MATTERN INDIAN PARTS
Juergen specialises in chief and scout /101 parts and will have some small engine parts for the powerplus
www.indianteile.com/