Originally Posted by tclederman
Speedi-Sleeve?
Also sold as Harmonic Balancer Repair Sleeve by other manufactures, such as National.
Similar repair sleeves are also commonly used on axles where axle seals have worn grooves axles.

Thanks for the link Tim,it confirms my suspicions. thumbs_up

Last edited by jockbolter50; 05/18/2015 11:16 AM.
1950 Chevy Advance Design 3100 in Scotland
In the Stovebolt Gallery
More pix on Flickr.
I've definately got this truck thing in my blood ... my DNA sequence has torque settings
"Of all the small nations of this earth,perhaps only the ancient Greeks surpass the Scots in their contribution to mankind" Winston Churchill.