How To Measure Lift On Jeep Jk

What Are Command Artillery?

Command arms are suspension products that fit on the front end and rear of the Jeep and attach to the frame on one side and to the axle on the other side. When you elevator a Jeep, it tin can push the beam also far forward or back, causing bulldoze-line angles to exist stressed and other steering bug. Restoring the axle to its proper geometry often takes things like longer control artillery, drop pitman arms, transfer case drop kits, and trackbar drop brackets.

Control arms are recommended on lifts of 3 inches or more. They are not too expensive and help restore the steering and ride back to normal. They tin can come in a fixed or adjustable length and usually have polyurethane bushings on each stop and are installed into stock locations.

There are brusk control arm kits for elevator sizes up to v inches. For lifts over 5 inches, there are long control arm kits that usually change the mounting points on the frame.

Jeep Lower Fixed Control Arms

Where Do Command Arms Fit on Each Jeep?

Well-nigh of the command arms will fit on multiple Jeeps, so when purchasing them you can actually get a good deal, because volume manufacturing helps keep the costs down. Some Jeeps have special command arms and they are a little different and might be a fiddling more expensive.

PLEASE NOTE: We are simply talking most aftermarket replacement control arms in this article and not stock replacement arms.

• Jeep Cherokee XJ 1984–2001: It has only front control arms and a rear leaf bound pack. The front command arms are both upper and lower and fit from the frame to the axle.
• Jeep Chiliad Cherokee ZJ 1993–1998: This model has both front and rear, upper and lower control arms. Basically, the lower command arms are similar. The front uppers have the forked end and the rear upper control artillery are much smaller than the others.
• Jeep Wrangler TJ 1997–2006: These have virtually the same artillery as the Jeep Grand Cherokee ZJ.
• Jeep G Cherokee WJ 1999–2004: This has front uppers and front lower control artillery and a rear lower control arm that nearly people make an aftermarket replacement for. The front command arms take a weird curve in them and the rears accept slightly dissimilar size mounting point widths.
• Jeep Wrangler JK 2007–2014: These have artillery similar to the Jeep Grand Cherokee WJ with some differences. The front upper control arm is similar to all the other Jeeps, only with a different diameter bolt pigsty.

Concept Aluminum Heavy Duty Jeep Command Artillery

Measurements to Use for Adjustable Control Arms Per Lift Size

Measurements are fabricated from heart of bushing eyelet to heart of bushing eyelet. Be sure to employ lock-tite under jam nut and tighten as needed. The jam nut needs to remain tight to prevent premature vesture on the threads and bushings. The polyurethane bushings are fabricated to wear slightly to ensure at that place is a wear betoken on the arms, these can be greased before installation. The polyurethane bushing is made to vesture out and will forbid mounting points from breaking.

Artillery should be manufactured to withstand the rigors of off-route abuse. Artillery are commonly manufactured for off-road apply merely. If you exercise not see your lift size listed please approximate with the measurements given. Arms can be adjusted on the Jeep by removing the tension on the axle merely past lifting the weight off of information technology with a jack.

Gear up Your Arms to These Measurements

Yr	Model	Elevator Size (inches)	Lower Front (inches)	Lower Rear (inches)	Upper Front	Upper Rear
1997–2006	Wrangler TJ	four.5 (lowers only)	16	15 3/8
1997–2006	Wrangler TJ	4.v (lowers and uppers)	sixteen 1/iv	16 1/iv	15 ane/2	14 one/4
1997–2006	Wrangler TJ	five.5 (lowers and uppers)	sixteen 3/iv	16 iii/4	16	14 ane/2
1997–2006	Wrangler TJ	six.v (lowers just)	18	16 1/four
1984–2001	Cherokee XJ	(Front end uppers and lowers are the same equally TJ's)
1993–1998	K Cherokee ZJ	4.5	sixteen ane/iv	18 one/4	15 one/2	14 iii/iv
1993–1998	Grand Cherokee ZJ	6.5	17	18 ane/2	16	xv 1/4

Please note this is simply a guide to installing a control arm on your vehicle. I do not accept whatever responsibility for the accuracy or problems you may incur when doing this installation. You should have your organization aligned after installation and any control arm or intermission role should be installed by a professional mechanic.

A Quick Annotation About the Reason for Fixed Command Artillery

Stock-still control arms are designed if you plan on keeping i size elevator on your Jeep for most of its life. But nearly people who ain Jeeps are constantly upgrading and going higher and college, and literally the sky is the limit when lifting a Jeep. When picking fixed command arms you should mensurate from center hole where the commodities goes to centre hole. Then add or subtract how much you need to push or pull the axle in the direction you need for correct alignment under the bicycle well.

A Video Look at Adjustable Control Arms

Note: Dodge and Jeep Control Arms Are Similar

Did you know that the Jeep lower control arm and the Contrivance Ram truck control arm are very similar in makeup? With just a few changes in bolt holes and diameters, they are nearly the aforementioned arm.

This is not unusual given that they were made by the same manufacturer and it would brand sense to use like parts. The main differences are in the cam bolts used and the widths of the control arm at the mounting points.

Jeep Cherokee XJ Showing Lower Control Arm Mounting Point Front View

A Quick Give-and-take About Cam Bolts

Many times when you replace artillery the bolts volition be rusted in, or the cam bolts or the alignment eccentric bolts will be ruined when you remove them. Don't allow that stop you: New replacement bolts for each mounting spot are easy to get and replace while you are doing the job.

From stock replacement bolts to replacement cam bolts, yous can brand sure that you get the control arms mounted and installed and aligned correctly past installing new bolts. I have seen a lot of people skip this pace, or replace more expensive cam bolts with form 8 regular bolts. This is a mistake, as the cam bolts are necessary parts of the installation process to keep the arms correctly installed.

Look for aftermarket replacement cam bolts that are factory style, or get the OE bolts. Either will work only make sure they are correct for your vehicle.

A Word Nearly Polyurethane Bushings

Make sure your control artillery come up with polyurethane bushings; they will last longer and non degrade like condom. They as well offering a more than responsive feel to the suspension. Virtually control arms come up with the bushings installed already. And companies similar Rukse that manufacture command artillery offer replacement bushing kits for nether $xxx.

On the front upper command arms, one side has a forked end. That forked cease goes into an ear tab on the Dana 30 control arm. Those ears firm the control arm bushings; they demand to be replaced and some companies offer a solution for that. In most cases, you need to reuse the outer metal shell. But when yous are doing the job you definitely want to brand certain y'all supersede these.

This commodity is accurate and truthful to the all-time of the author'due south noesis. Content is for informational or entertainment purposes only and does not substitute for personal counsel or professional advice in concern, financial, legal, or technical matters.

Questions & Answers

Question: Where are the WJ lengths?

Answer: We practice non have WJ lengths considering of the manner of arms - but if you know the lift size we can try and get that to you.

Question: What length should I set my brusque arm at for a zj v.5 inch elevator?

Answer: The uppers at almost 16 iii/4 and the lowers between 18 i/four and 18 1/2.

Question: What would be the lengths for a 3.5" zj lift for a Jeep? Should I but utilize algebra to figure out how much to subtract per inch?

Respond: Mostly, I would get about i/4" overstock. But being adjustable you lot can play with the adjustments fairly easily.

Question: What length should I set my control arms on a 1998 ZJ with a 3" lift?

Reply: Mostly you can utilize stock artillery with the 3 inch lift, and you should only need to conform out the lowers less then a 1/four" and the uppers even less or none at all.

Source: https://axleaddict.com/trucks-vans/How-to-Set-Your-New-Adjustable-Jeep-Control-Arms-for-Each-Lift-Size

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