Same grade and size as the OEM brackets on my 99 XJ. I'm not sure why some of them are insanely expensive. I took a chance because they cost a lot less than others and I'm glad I did! Who cares if they can't be lubricated, lubricate them with bearing grease and you're good to go! FYI I am using these in conjunction with a 4.5" Rough Country X-Series Lift.
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