USA Made Quality!
This in a Roller Bearing Sleeve Is Made to Exacting Standards Exactly like the Original. Can Be Used on All Early Star Hubs to Rebuild Your Inner Bearing Surfaces On Hubs That Too Large For .002 Bearings
Fits the Following Harley-Davidson Models 
1936 to 1947 Knucklehead
1937 to 1948 Big Twin Flathead U Models
1948 to 1965 Panhead
1966 Shovelhead