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Are you ready for THE WJ Grand Cherokee suspension upgrade?
After a lengthy and diligent engineering and testing process, we are finally ready to share the fruits of our labor.
What all is included:
- Front 3 piece crossmember, replaces stock transmission mount crossmember, uses your stock trans mount
- (4) front long arms, with bushings and flex joints
- Side rails
- Rear 3 piece crossmember
- (4) rear long arms, with bushings and flex joints
- Full belly skid
- Bolt on rear triangulated axle bracket
- All necessary install hardware
- Due to welding required for install, all fabricated parts ship raw steel. We suggest weld-thru primer on inside of all parts prior to welding onto chassis.
Exhaust shown in 3d models for reference, it is not included with the kit
Crossmembers
- 3 piece heavy duty crossmembers front and rear(2) replaces the thin factory front unit and allows for transmission and transfer case service without affecting the suspension
- Integrated transmission mount tabs. Why replace the crossmember and still rely on the old, thin factory mount bracket? This crossmember bolts directly to your transmission mount!
- Carefully engineered to be boxed, braced, and gusseted for maximum strength without adding unnecessary weight. 3/16″ steel primary structure, 1/4″ plate skid
- Front bolts in to the factory crossmember location with supplied hardware, then add welds for ultimate strength and reliability
- EIGHT grade 8 bolts mount the 3 pieces of each crossmember together for supreme rigidity and strength
- Exhaust clearance on both crossmembers
Links
- Super long links for ultra flat geometry and superior ride quality
- Fully adjustable for alignment and up to 1″ stretch (want more? we can make it happen, contact us)
- Run the full front 4 link, or go for the 3 link for the ultimate in trail rig flex (see notes)
- Fully triangulated rear 4 link for amazing flex without sacrificing geometry
- 2″x .250″ Square Lower Links provide significantly more strength than round tube
- 1.5″ .250″ DOM Upper Links allow for clean clearance bends without sacrificing strength
- Genuine Currie Johnny Joints, because they’re the best!
- Designed with customized joints to keep the grease fittings above the links and out of harms way while still remaining accessible for service!
- Trail Forged’s Better Bushing™
- Supreme flex
- No service required
- Smooth, quiet ride
- Self-centering keeps them oriented the right way
- Included 9/16″ grade 8 hardware and lower link spacers
And to make it all even better:
- Optional Trail Forged HD axle side upper control arm bushings with oversize 1/2″ grade 8 hardware for supreme ride quality, strength, and longevity. Most kits don’t even give you an option here but to leave your old, likely long dead bushings pressed into the axle housing. What better time then now to upgrade to our HD bushings?
- Add on new bump stops and/or bump stop extensions to make sure your suspension is working at its best. (See notes)
- Belly skid designed to sit flush with the bottom of the side braces and crossmembers
- Skid held in place by floating clip nuts means if you damage your skid or mounting hardware you can still service it without the pain in the ass of drilling welded nuts
- We won’t leave you hanging with an “exhaust must be modified but we won’t tell you how…good luck.” Add on our exhaust hardware kit that includes weld on flanges, gaskets, and hardware to re-locate the factory cat and replace the muffler with a Flowmaster 842512 or equivalent for a seamless complete installation! Kit doesn’t include muffler or turndown, it’s cheaper for you to buy those yourself rather than have us mark them up! You will need to measure your exhaust diameter as they are either 2.25″ or 2.5″ (4.7 HO)
The stats speak for themselves, order NOW and get the best performing WJ link system on your rig!
Notes:
We have tested this on lifts as low as 3″, while it may work lower than this, the limit is up travel/bump travel and we cannot confirm clearance in your specific application. Bump stop extensions may solve this issue on even lower lifts.
Due to the extreme side to side movement of the axle with a factory style trackbar, low lift heights (3″) may see some frame contact on the front passenger upper link. A drop trackbar bracket, 3″ bumpstop extensions, or taller lifts should solve this. We fish plated the frame rail in our low lift test rig to solve this issue (about a 3″ section, and pretty easily accessible area to work in) so we could retain the super low COG.
We highly recommend the full 4 link for road and daily driven applications for the tightest feel and best longevity. Our 4 link design does provide bind-free articulation through its entire range of motion. For super flexy trail rigs or other custom applications, the 3 link option is offered.
About bump stops: 10″ travel shocks (depending on collapsed length) tend to work well with our 2″ extensions, 11″ with our 3″ extensions, and 12″ with our 4″ extensions. Contact us if you have specific needs in this department. We suggest testing your flex to determine the correct length for your application.
These kits are built to order. Our products are made by hand at our shop in Virginia, and lead times can be as long as 6 weeks if we have a full production queue. We take pride in our craftsmanship and want to ensure you receive the best possible product. Please message us before ordering if you need a product by a specific date.
2 reviews for WJ Complete Front to Rear 4 link with flat belly skid
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Mark –
My UPS guy hates me now, this thing showed up in 4 massive heavy boxes. Super beefy stuff and the build quality is amazing. Spoke to Sean in depth about this before ordering and he wasn’t kidding about how much time and effort went into this design, the attention to detail and fit and finish is top notch quality. Install was straightforward and the results are amazing. Ditched an old radius arm front and A arm spacer rear setup and the ride, handling, and flex are worlds above before.
04 Overland
6.5″, 35 muds, 4:88 gears
Tyler –
Hey all. I purchased the wj 4 link long arms from Trail Forged.
Here’s the TLDR: 10/10 would recommend.
This stuff is seriously burly. Built to the teeth with great quality. I was impressed when I saw the parts. The welds looked like they were tigged and there was no mig splatter.
I know a thing or two about suspension design, and I was impressed how well these guys knew their stuff. They’ve really done their homework and it shows in the final product.
But the part that blew me away the most, was their outstanding customer service. I’ve dealt with several of the big WJ suppliers and none of them were as awesome as Trail Forged. I will provide a few specific examples.
1. I live about 2 hours away from Trail Forged and I had an offroad trip coming up in a few weeks. They worked with me on the timing and allowed me to pick up the first set of parts in person so I could start the install sooner. They showed me the shop and the famous UGG. It’s even cooler in person. There’s some pretty trick little secrets hidden in that build.
2. In the midst of picking up the parts, some spacers got misplaced. I didn’t notice I was missing them until a week later. When I told Trail Forged that I couldn’t find the spacers, they gave me some advice to get by in the meantime. A few days later, decided to ask if they would ship me new spacers. They informed me the spacers were already on the way. Sure enough, they arrived that Friday.
3. The guys at Trail Forged were extremely responsive and friendly and answered every question I had. Even on weekends. I don’t think these guys rest.
4. I rarely mig weld, and I’ve never welded to a unibody before. So I was pretty worried about blowing holes. They provided helpful advice to get the job done.
Alright, now that I’ve done the flattery part, it’s time to discuss the hard stuff. There were some parts of the 4 link kit which I didn’t like.
The install requires you to move the hard lines which run under the unibody. This was quite a bear to accomplish. Cramming my childish little hands into small spaces to bend steel lines while laying on metal grindings was not something I’d like to repeat.
But not to worry. I discovered a great method for bending the hardlines with a floor jack, a piece of wood, and some vinyl hose pieces.
Adjusting the front upper arms requires removing the front lower arms first. So adjustability is not this kit’s forte. Fortunately this only happens once when you are dialing in caster/pinion angle. Now I never have to worry about it again.
I didn’t like having to cut my exhaust. However, I would consider it a necessary evil. Some of the other companies don’t even tell you how to modify it. Trail Forged told me exactly what I needed to do and supplied the necessary flanges.
All in all, I’m super happy with this kit. I love how tidy the belly pan makes the underside. I love how much flex I get with the long arms. I love how it looks. And I love how strong it is. There’s something to be said for having confidence in your vehicle.