Shane Posted February 19, 2009 Share Posted February 19, 2009 As I stated in many of my other post I am not a mechanic & most of the stuff I know I learned here. With that said I have a 89 MJ auto. 4x4 that I bought a skyjacker 3.5 inch lift for, but it did not send the U Bolts I believe and the directions said I need to know what type of rearend is under there. Any help is appreciated Link to comment Share on other sites More sharing options...
Comanche County Posted February 19, 2009 Share Posted February 19, 2009 most likely a Dana 30 front and Dana 35 rear. There are a lot of sites the have this info. Check out: http://www.lunghd.com/Tech_Articles/Sus ... Ratios.htm Link to comment Share on other sites More sharing options...
BLHTAZ Posted February 19, 2009 Share Posted February 19, 2009 The front will be a D30, but your concern is the rear. It's either a D35 (most likely) or a D44 (not likely). Can you take a picture of yours and post it? Link to comment Share on other sites More sharing options...
mvusse Posted February 19, 2009 Share Posted February 19, 2009 They most likely did not include U bolts because the different axles have different diameter tubes. Automotive parts stores usually carry U bolts. I'm lucky to have a shop just down the road that does work on semi truck brake systems, but also does hydraulic tubing, carry a bunch of bearings and will custom bend any U bolt I need for less than most places sell them. They also have spring centering bolts by the 5 gallon bucket and universal shock mounts. Link to comment Share on other sites More sharing options...
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