Jeep Wrangler JK Gear and Install Kit Package (Front/Rear)

Brand: Yukon

Regear your Jeep Wrangler JK with top quality gears. These kits include your front and rear ring and pinion and your choice of either a minimum install kit or master overhaul kit.

Overhaul kits include:

  • Ring gear bolts
  • Crush sleeve
  • Pinion Seal
  • Pinion and Carrier shims
  • Pinion nut
  • Loctite and marking compound
  • 2 Timken carrier bearings and races
  • Timken inner pinion bearing and race
  • Timken outer pinion bearing and race

Minimum install kits include:

  • Crush sleeve
  • Pinion Seal
  • Pinion and Carrier shims
  • Marking compound

NO Bearings are included with the minimum install klit (reuse your existing ones). This is a great option for the low mileage Jeeps.

2012+ Models will require a Procal Module to recalibrate the factory computer for the new gears.

If your stock gear ratio is 3.21, you will need the new carrier with thrust washers found at the bottom of this page.

SKU: PKG-JKRP
Price From: $399.99

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Details

Details

Regearing your Jeep can shift the power to a more usable range. By installing new gears in your Jeep, you may notice an increase in power, mileage and use of higher transmission gears on the highway. We strongly recommend new gears for Jeeps running 35" or larger tires.

Recommended Jeep Wrangler JK Gear Ratios

Tire SizeRatio
30-32 (stock)4.10
334.56
354.88
375.13
38+5.38 (Rubicons only)
2012+ Models may use a numerically lower gear ratio because of the more powerful engine.

For more detailed numbers, check out our gear ratio rpm calculator.

Reviews

Customer Reviews (26)
Best bang 4 your buck kit
Quality
Overall
Value
I got the master kit for front and rear. They arrived in just 3 days alter ordering. Very complete kits with both size bolts for the front ring gear and 2 crush sleeves as well. Plenty of shims in various sizes to dial everything in to perfection. Quality of everything is superb and very well packaged. So far I've done the front D30 in my JK and it all came together very nice. Quick test drive and the front is great...doing the rear next. Thanks 4ws for a great price on a great quality item! Review by Rdiaz (Posted on 6/4/2017)
Good product, good quality
Quality
Overall
Value
Did the job Review by Jdblaze (Posted on 4/9/2017)
2013 JKUR 5:13
Quality
Overall
Value
Yukon gears at an unbeatable price and incomparable guarantee. Review by DonB (Posted on 1/31/2017)
Yukon Gears for a Jeep JKU
Quality
Overall
Value
2 sets of gears and min install kits arrived in one box, in just a few days. The installer had no trouble installing the sets and he commented on how nice everything was. My only gripe, not 4ws's fault, was that the Yukon gears were in fact made in China. Review by JKShane (Posted on 1/25/2017)
Great Product / Great Customer Service
Quality
Overall
Value
I purchased 5.13 gears for my JKU from this site based on recommendations. I am shocked at how great the quality of the gears are (and brand), and how great the customer service is. This site sells gear packages for the lowest price I could find so I was expecting not so great service, boy was I wrong. I originally order the gears with minimum kits and after speaking with 4WS 3 or 4 times that day, later decided I wanted master kits. This was not an issue for 4WS I was able to swap minimum kits for master kits without a problem....and best of all I received them 2 days after I ordered!!! I haven't installed them yet, but with the quality gears/kits I received I should have 0 issues with them. I can't wait to get them in. Thanks for a great product and great service! Review by Ryan (Posted on 10/13/2016)
nice complete kit
Quality
Overall
Value
Price is unbeatable. Great quality parts
Mine came with shims, bolts, front inner alxe seals, pinion seals, and Timkin bearings..
Even an extra crush sleeve.
Everything needed..... really.
Review by Vialkial (Posted on 6/20/2016)
Great parts. Great customer service. Awesome warranty.
Quality
Overall
Value
First time ever doing gears on any vehicle. Bought these gears from 4ws (can't beat this price btw) and got the no questions asked warrant because I knew I was going to mess up somehow. The tech guys were available through email while they were out of town all weekend via email and were a great help. I did screw up and needed to cash in on my warranty too. This was relatively painless to do and totally worth the money spent on it. I recommend not only these parts but anything from 4ws.com. Thanks a lot guys. Review by Halfhill (Posted on 4/4/2016)
Gears!
Quality
Overall
Value
These are for all of you that are wondering these are actually [brand is not allowed to be published on this page, please call for brand name] 4.11 gears front and back. Which makes them a steal at this price! Review by Jason (Posted on 2/24/2016)
Best value
Quality
Overall
Value
Every forum I read recommended this package and I see why. Top of the line components for way less than everywhere else for the cheap stuff. Best bang for the buck by a long shot and fast service and shipping to boot. Review by Chad Murphy. (Posted on 2/2/2016)
Exceeded my expectations!
Quality
Overall
Value
First time ordering from, bought front / rear gears with master install kit and am EXTREMELY PLEASED! The gears and install kits sent are of the highest quality (major name brand), shipped quickly - and even included a free tshirt! Can't wait to install in my 07 JK THANK YOU VERY MUCH!!! Review by madproblem (Posted on 12/5/2015)
Great parts everything I needed to install
Quality
Overall
Value
Would recommend to anyone Review by Goodyz (Posted on 11/3/2015)
Excellent
Overall
Value
Quality
Had a local shop install, broke the gears in, and changed the oil last night, very little metal in the oil, nothing on the magnets, very happy with the gears and install job. Review by Eburgpirate (Posted on 9/8/2015)
Great Customer Service
Overall
Value
Quality
Like many I was skeptical of the deal on the JK gear set but was overly impressed once received. Brand name great quality parts. Had a issue with delivery times but 4WS came through and took great care of me. Also spent a long time on the phone answering questions about setup and install. Great Customer Service. Highly recommend 4WS to anyone looking at their products. Review by Nick (Posted on 8/26/2015)
Great Product, Fast Shipping and Great Prices
Quality
Overall
Value
I was apprehensive about how cheap it was, however the brand of gears is top notch stuff. I did a minimum install kit all the seals and pieces were there and the install went smoothly. If I had to purchase another set I would do so in a heartbeat! Review by Christian (Posted on 7/8/2015)
good
Overall
Value
Quality
good parts Review by sk (Posted on 4/6/2015)
Your a fool if you don't buy this set
Quality
Overall
Value
This was by far the best purchase for my jeep
The quality is superb
And the price is even better

Great kit. These name brand gears are buit right
Review by Jeff (Posted on 3/15/2015)
Great but still buy master install kit even with low mileage
Value
Quality
Overall
Price was great. Product was well built. My 2014 jk has only 17k miles on it so I went with the minimal install kit. While driving my pinion bearing gave out. I reused the one from my stock setup. Now I have to buy extra bearings from dealer and get them put in again....dont make the same mistake go with the master install kit and save a headache and money. Review by cj (Posted on 2/27/2015)
Great Quality
Overall
Value
Quality
I had my 4.56 gear set installed last week and could not be more satisfied! They were high quality and my mechanic had no trouble installing them. I will recommend you guys in the future!! Review by SPREC (Posted on 1/17/2015)
BEST VALUE OUT THERE!!!
Quality
Overall
Value
This IS by far the best value out there! They arrived super fast and were 100% as described. shop put them in and I love the new power we got. Review by Erick M. (Posted on 11/3/2014)
great people and product
Overall
Value
Quality
I am really liking the gears I have noticed the more power in the up charge of the gears.... I did however end up getting a leak in my front diff seal which i need to take care of but I believe thats from shop installation. Im happy with and for this product and I have been telling my friends where to go to get their gears. Review by Israel Rodriguez (Posted on 9/9/2014)

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Installation

Install Time:
6 hours (estimated)
Install Difficulty:
Advanced
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