For those of you looking to keep your Jeep JK Wrangler relatively stock and have no plans of installing tires larger than 33″ but would still like to regain some of the power you’ll loose from them, Superior Axle & Gear has got the answer for you. Last week, I got to watch the very first set of Superior Axle 4.56 gears getting installed into Brett Woods’ (aka – Woods) 2007 Jeep JK Wrangler Rubicon Unlimited and after giving them a thorough break in, here’s what he had to say about them…
Just wanted to give you a little feedback, now that I’ve had a little time on the gears. I now have almost 500 miles on them, and Mel took a look at them yesterday. The wear patterns look great, and it looks like they have blessed the gears for production.
Now for the good stuff. I have been running 33″ tires from about the 100 mile mark on my JK. This given, I didn’t think that there had been much of a difference between the stock 32″s and my 33″ tires. Now with the 4:56 gears, I realize that there is a difference. I now have more power in every gear. I don’t find my self having to downshift while driving through the hills at freeway speeds. These gears are much better for cruise control. My biggest surprise though, is the increased effectiveness in second gear. The JK has a low first gear, and it needs it. First gear driving is not practical for trail driving, however. When trail driving with the 4:10’s I found myself having to downshift from second gear most any time that I came across anything technical, rocky, rutted etc. Basically If I had to drop my speed below 6 miles per hour, I had to downshift to first gear. I’m really pleased with the new flexibility of second gear. On a trail this weekend, I was able to drop down to 4 MPH, in a fairly technical section, without having to downshift to first. Call me lazy but, I’m really stoked on how the 4:56 gears have improved my trail driving experience. For anybody running 33″ tires, the 4:56 gears are the perfect solution.
Brett (aka – Woods)
If you would like to see a few pics of what these new gears look like, click on the link below:
And, if you would like to get a set of these gears in your Jeep JK Wrangler, they can be purchased from most of our sponsoring vendors including 4Wheel Drive Hardware, Northridge4x4, Off Road Evolution and Quadratec.
Special Thanks: I would like to thank Superior Axle & Gear and for giving me the inside scoop on this much desired new Jeep JK Wrangler product and Off Road Evolution (who did the install) for allowing me to observe the installation of these new gears. I would also like to thank Brett Woods for the use of his Jeep to have these gears installed in and for testing them out for us.