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Thumbnail Filmstrip of 55-115 Shaft Boss - Stop for 5/16" Shafts- Repair Help for Worn out Throttle Shafts Images
These are not couplers.
there are 5/16"
We call them Shaft savers since you can use them to take the slop out of worn 8 stack injector shafts - use a -2 o ring with them
They are to keep a 5/16" shaft from moving. Add a EN-B3 O ring and they will help seal worn out shafts Drop Down Option to add 4 or 10
Typically used on each side of a heim joint to keep shaft in place.
Used to help mask the up and down wear of a 5/16" Shaft by placing an o ring between the collar and the manifold.