You may be able to save your existing u-bolts, depending on how old, frozen, rusted, etc they are. If not, your local parts store will have a variety of u-bolts in stock. You can pull and compare mid-lift if you need to.
1996 White ZJ
1987 Maroon YJ (sideways build)
1996 Forest Green XJ
The "sideways" build thread:
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