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My old York OBA bracket required frequent adjustment to keep the belt squealing and chirping under control. Each time I needed to remove the air box and struggle with the bolts under the bracket. A few months ago, I bought ORO's bracket kit. I finally got it installed yesterday.
The ORO bracket is a very different design from the Kilby. Both are very well made and fit perfectly. The ORO is either painted or powder coated. Mine had several paint voids. The Kilby bracket coating (zinc?) will probably last much better over the long run. The ORO bracket puts the alternator in about the same location as the Kilby. Installation of the alternator is more difficult than the Kilby, but keep in mind there is a lot going on in front of the bracket. The bracket has a recessed tab to attach the top of the alternator. It can take a few shots to get the bolt in through a hole in the front of the bracket. Removing the bolt is very difficult. The bottom bolt can also take a little work. After getting it in, I found that it is best to do it from under the Jeep. In addition to the stock tensioner, ORO uses another idler pulley. It is best to install it from underneath too.
I had to make several trips to get bolts. I probably still had the stock bolts, but they are buried in a storage room I am renting while I rebuild/remodel my garage. If you are installing from stock condition, you will not have to make those trips.
Initial results are very good. No noise while the alternator was under load, AC and OBA on.
The ORO bracket is a very different design from the Kilby. Both are very well made and fit perfectly. The ORO is either painted or powder coated. Mine had several paint voids. The Kilby bracket coating (zinc?) will probably last much better over the long run. The ORO bracket puts the alternator in about the same location as the Kilby. Installation of the alternator is more difficult than the Kilby, but keep in mind there is a lot going on in front of the bracket. The bracket has a recessed tab to attach the top of the alternator. It can take a few shots to get the bolt in through a hole in the front of the bracket. Removing the bolt is very difficult. The bottom bolt can also take a little work. After getting it in, I found that it is best to do it from under the Jeep. In addition to the stock tensioner, ORO uses another idler pulley. It is best to install it from underneath too.
I had to make several trips to get bolts. I probably still had the stock bolts, but they are buried in a storage room I am renting while I rebuild/remodel my garage. If you are installing from stock condition, you will not have to make those trips.
Initial results are very good. No noise while the alternator was under load, AC and OBA on.