Do it yourself. I did mine. Just make sure you have a grease gun (manual type is fine) to grease the bearings. Thy have a light coat of oil from the manufacturing process & definitely need grease immediately. Also, they say to tighten the bolts to 70 ft lbs (if memory serves). That’s based on what Hummer recommends for your recovery loops. You will need to tighten with more torque than that to keep the thing from shifting. Good luck!
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