1350 dana 60 - 8.75 pinion yoke ?

Heavy Duty U-Joint Cap Kit Fits Strange 1350 Series Rear End Yokes - Strange Engineering
I bought these with the yoke, expensive.
but I won't worry about these, However I probably don't need them.

Peace of mind is sometimes worth more than the additional cost you had to layout. Increases in safety to you, your car, and others that are in the vicinity of your car are priceless.

Tom