This what I had to do when mine got ripped out on the Rubicon after the frame broke and the steering box fell off.No directions with the new kit?
Look here….
Back to the Basics: Rebuilding a steering coupler rag joint - The 1947 - Present Chevrolet & GMC Truck Message Board Network
Back to the Basics: Rebuilding a steering coupler rag joint Suspension67-72chevytrucks.com
The kit came with all the pieces, just have to reuse the metal pieces.
I didn't like how soft the new rubber was and ended up finding the jeep ujoint style fix.