These are getting hard to find considering the after market disc brake conversions that require the use of 1970 drum brake spindles. 1970 was a heavier design over 1968-69. Ford casting number D0OA-3108-F. Fits 1970 Mercury Cougar, Ford Mustang, and mid sized Ford's such as Torino, Ranchero, Cyclone, etc.
Check out this video