Thumbnail Filmstrip of Hilborn Spud- Chevy Cam Drive -with 5/8" Nose to go through a F77 Hilborn bearing Images
Bearing is available as F-77 shims are .625" ID .020 .030 thick
Hilborn Small Block - Big Block Chevy Cam Spud
5/8" Diameter Nose to allow bearing guide in Hilborn covers.
7/8" index on back where it goes into sproket
1 3/8" tall