ZJ 5.5" Critical Path Long Arm Kit

	Quantity in Basket: None Code: IR-Z5CPK Price: $1,399.99



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In Stock. We use an exclusive, non-binding, 3 link setup that has a pair of front long arms that will flex more than you thought possible. The bushings at the unibody are greasable and pivot to allow as much suspension travel as the long arms will allow. We combine it with heavy duty rear upper and lower control arms that are built to withstand whatever you can dish out. As always, this kit is 100% bolt on! NO WELDING OR CUTTINGand only minor drilling is required for installation. Our unique caster adjustment bracket allows 7.5° of adjustability, giving you the easiest installation of any long arm kit available! You can even keep your stock LCA mounts on the uniframe if you want. The question that has you all wondering right now is, "Why did they make a front only long arm kit for a ZJ?" The answer is, we did it for a couple of reasons. 1. We wanted to offer a long arm kit to the public that could be affordable and appealing to the growing group of off road enthusiasts wheeling their ZJ's. 2. Our real world tests have shown dramatically increased wheeling ability with this kit installed, even without a rear long arm system. The XJ crowd has known for a long time that "front only" long arm kits allow them traction that would never be possible otherwise..... and that's with leaf springs in the rear! Articulation* is amazing with this kit. You will easily use the complete travel your shock absorbers allow. For the maximum shock length, choose the DT8000's and add some bar pin eliminators in the front of your ZJ! Capability versus stock is unbelievable. Not only are you 5.5" + tire size higher off the ground, but you have a suspension designed to conform to boulder strewn trails. Keeping your tires on the ground always equates to more traction, even without lockers. Traction is the key to off road capability, and you'll have a ton with this suspension. Clearance is important in so many ways, we sometimes forget what it does for us. We're not just talking about the extra 5.5" the new coils will give you, but the other clearance sensitive parts too. The front long arms are designed to fit without tire interference up to 37"+ (tested thoroughly with 37x12.5x17 Goodyear MT/R tires on 17x8 wheels with 4" backspacing on 7" lift). That means you can turn lock to lock in any suspension position without fear that your tires will rub on the control arms. Didn't think that was possible with 37's, did you? The front subframe gains roughly 2" of ground clearance over the factory transmission crossmember!! A better breakover angle results and greatly reduces the possibility of high-centering. The front long arms are mounted as high as possible in the subframe so they are also super high clearance. NOTE: 37" tires requires major fender trimming. Our tests were to conclusively prove that 37" tires will clear the control arms when turning. We recommend 33" tires with this suspension kit. Streetability is always important to our design process. This suspension had to feel and perform immaculately on the street before we gave it our stamp of approval. Even at 5.5" of lift you'll be completely impressed with the ride as you're cruising the interstate at 70 mph. Durability makes this kit shine. Every part we manufacture is strong enough to hold up to anything you put in front of it. We use high quality thick wall D.O.M. and cold rolled solid steel for our control arms and track bars. All our subframe and bracket material is precision laser cut and formed from 1/4" steel plate. Needless to say, it's built to withstand a lifetime of abuse. We guarantee it. That pretty much sums it up. This is the one off the shelf kit that will offer you all of these things and more in one complete package. Try to find another kit that will give you even close to the same overall performance. Seriously compare this kit to anything else out there. INSTALLATION NOTES: This kit is 100% bolt on!! Strength is not compromised with this value added design feature. However, for those of you still concerned about strength, you can weld the subframe in or bolt AND weld them in (welding to the uniframe is complicated and should be done by an experienced professional welder). The choice is yours. The front subframe is assembled from 3 pieces. This will allow you to remove the center section for transmission/t-case access while leaving the front suspension (long arms) installed. If your ZJ has the CV (with rubber boots) front driveshaft, you may need to convert to the double cardan style to accommodate the lift height. Your rear driveshaft will work with this kit. We do offer a heavy duty SYE for the 231 transfer case and a hack-n-tap SYE for the 231 and 242. Using a slip yoke eliminator has been proven to reduce and/or eliminate vibrations that may occur with taller lifts. Kit Includes: Front and rear coil springs Front high clearance subframe assembly Front long arm system with Iron Y Rear heavy duty upper and lower control arms. Heavy Duty Double shear track bar conversion (front) Heavy Duty Rear adjustable track bar Front and rear shock absorbers Heavy duty extended front sway bar links Rear extended length sway bar links Extended length stainless steel brake hoses Coil spring retainers All necessary hardware Installation instructions Adjustable length long arms are available upon request for an additional $100. Please allow up to 3 weeks for the adjustable version as they are built to order. We will need to know if you have the 2 hole or the 4 hole transmission mount in order to get you the correct subframe. See the photos here for reference: 2 hole subframe 4 hole subframe IMPORTANT INSTALLATION NOTE: It is becoming quite common to swap a High Pinion Dana 30 from an XJ Cherokee into the ZJ to improve both driveshaft angles and strength. If you have swapped, or plan on doing this swap at the time you are installing your long arms, you will need to let us know. The reason for this is because the XJ and ZJ front axles DO NOT have the same mounting positions for the control arms. The ZJ long arms WILL bolt up to the XJ axle, but you will not have a desirable range of caster adjustment. Therefore, the ideal solution is to use the XJ long arms when you are also using the XJ High Pinion Dana 30 axle. Check the appropriate box above to tell us that you will need the XJ arms.

International Shipment Available! There will be extra freight charges for international shipments, Alaska, Hawaii, Puerto Rico and Canada. We need ALL of the following information in order to process your custom freight quote:
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Please email us if you have any questions.

Call us at (952)210-7185

Our name was inspired by the rugged landscape of the Northern Minnesota Iron Range where the abandoned ore mines of old have become a playground to off-road enthusiasts of all kinds. IRON ROCK OFF ROAD was founded by a team of off-roaders who needed great aftermarket products to turn our machines into rock crawling monsters on the most rugged terrain. Not only did we need great products, but they had to be the best; better than anything available, anywhere.

That's why we have spent years researching and designing products that will maximize the articulation you can achieve or the protection you need while still maintaining extremely high ground clearance. We know how much difference a half an inch of clearance can make on the trail so our parts are designed to hug as tightly as possible to your vehicle. We specialize in parts that are designed for the way we use our vehicles and maybe you do too; hard core off-roading, and street use too. Anything from a daily driver to a vehicle that sees little or no highway use. Our products are designed to be the best, with no drawbacks and no compromises.

In addition to building highly durable and highly functional off-road parts for your XJ and WJ, we are building on our reputation for quality, innovation and value. We take pride in knowing:

When you open the box we ship to you, your new part will fit perfectly to your vehicle.

The products we build are unique, combining trail experience and design expertise to create the best product available.

We can offer you the best products on the market at a value price tag.

We have an extensive product line on our website specializing in off road products for your Jeep vehicles.

Suspension upgrades such as springs, shocks, control arms, track bars, sway bar disconnects and fixed links, a-arm spacers, and much more.

Steering upgrades such as heavy duty tie rods, heavy duty stabilizers, dual stabilizer kits, OEM style tie rod ends.

Our policy is simple, if there is something about your purchase you don't like, we'll make it right. If we can't make you happy you can return your product within 45 days for a full refund of the purchase price, excluding shipping and handling. Returns of damaged items are not possible. Items not in new, salable condition will be subject to a re-stocking fee. A copy of your invoice is required for all warranty or satisfaction guarantee claims.

All products manufactured by Iron Rock Off Road, Inc. are guaranteed to be free of defects in materials and workmanship for as long as you own the product. If your product ever fails due to a defect in materials or workmanship we will replace it free of charge, excluding shipping and handling. This warranty does not apply to corrosion, finish, or normal wear. This warranty is non-transferable. Misuse or any use other than the product’s designed purpose will void the warranty. Products not manufactured by Iron Rock Off Road. Inc. will be subject to the product manufacturer's warranty. Claims must be made to that manufacturer

All Iron Rock Off Road brand coil springs are guaranteed to be free of defects in materials and workmanship for as long as you own the springs. Our coil spring are guaranteed to never lose more than 5% of their specified free length. Any defective spring will be replaced for free of charge (excluding shipping and handling). This warranty does not apply to surface finish. Mechanical damage will void this warranty. Some restrictions apply. A copy of this warranty will be sent to you with your springs. This warranty is not transferable. A copy of your original sales receipt will be required.