3rd gen cummins long travel suspension

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3rd Gen 4Runner Long Travel Suspension

• Regular price $2,849.00

At 4.5” wider per side and 1” forward for extra firewall clearance, this kit allows up to 15” of useable wheel travel. Weak upper balljoints are replaced by 1” FK uniballs, and stock rubber bushings are replaced by durable polyurethane or optional heims for alignment adjustability.

For 4WD kits, we build custom CV axles with heat treated 300m axle shafts and machined / rebuilt / rebooted OEM CV joints for added articulation and strength. Axles come completely assembled and ready to bolt on.

Kit includes: boxed upper and lower control arms with Energy poly bushings, tie rod extensions, extended steel braided brake lines (replaces hard and soft sections of stock lines), spindle to upper uniball adapters, and custom coilover top brackets. Arms come raw or powdercoated gunmetal grey.  Adjustable upper arms equipped with FK heims available as an option.

*Custom coilovers can be added to your order, message or email us for details!*

Rock crawling, trail running or prerunning a race course, this suspension does it all! 

Fits 6 lug trucks only!

8-12 week lead time, depending on options, order volume and availability of materials. Built to order, all sales final.

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94-02 Ram 2500/3500 Long Arm 4 Link Kit

Product Description

Our front long arm kit for 94-02 Dodge Ram trucks greatly improves the trucks stability and handling from over extended short control arms.  These mounts are made from laser cut and CNC formed steel and are completely TIG welded.  This kit requires a minimum lift height of 4in on the truck.

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01 dodge ram 2500 4x4 cummins

Posted by Unknown on Dec 12th 2023

Great product and quality built worth the wait for sure and would definitely will deal with this company for future projects

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Thuren 03-09 3rd Gen Dodge Ram 2500/3500 King 2.5 Suspension Kit

Thuren kings made to order 2-4 month eta.

The Thuren King 2.5 Suspension system offers improved on and off road ride in your 2003, 2004, 2005, 2006, 2007, 2008 and 2009 Dodge Ram 2500 and Dodge Ram 3500 truck and a massive improvement in off road capability when paired with the right supporting parts! This system will handle anything from daily driving to whoops at 50-60 miles an hour when valved and speed properly. We highly recommend adding the track bar, sway bar, arms and rear leaf springs to get the most of this system. At a bare minimum we recommend adding the sway bar end links, and ideally the track bar.

The system assumes Thuren spec King 2.5 shocks with standard body length, stainless shaft, and blue anodized end caps like pictured. You can order a more custom spec on the shock page , and then piece together a kit.  ALL THUREN KING SHOCKS INCLUDING THIS SYSTEM ARE CUSTOM ORDER, MEANING THERE ARE NO CHANGES, CANCELATIONS ,OR REFUNDS. THUREN KING SHOCKS ARE A 8-10 MONTH LEAD TIME.  Thuren encourages customers to choose their shock valving based on their needs. Below is a description of each stage. Feel free to call us with questions! 

VALVING OPTIONS:

- Stage one - Rides unbelievable on the highway and performs great on mild gravel roads. Valving is light enough to completely absorb even the largest potholes, highway expansion joints, and excels on small choppy terrain. Stage one front valving is the lightest valving we have, and can still bottom out easily once you get more aggressive off road. Comfort and possible speed off road is still about double what is possible with the stock shocks. - Stage two - Highway ride is still top-notch, but the suspension will now have a slight sports car type feel to it. Large potholes and ruts are absorbed the same as stage one, but the smaller holes and bumps have a bit more entry feel. Off road performance and bottoming resistance is increased about 10% from stage one. - Stage three - The most common valving design we use. Highway ride is still much better than stock, and with the right components, the off road performance increase is huge. Large potholes, curb size bumps, rutted dirt roads, and small sand whoops are no problem. More speed equals more force to push through the valving and smooth out the ride in this type of terrain. - Stage four - This is where the off road performance really increases, and desires speed. Time to start thinking about a front axle truss, as the off road speeds attained can let the really big hits come up quick. On road ride is still better than stock all around, will start to feel more firm on the larger potholes and bumps compared to stage three. - Stage five - Axle truss is pretty much mandatory at this point to use this valving to it's potential. With this much valving the suspension does not absorb the smaller bumps as easy, and is designed to now really resist bottoming out. Large potholes and small speed bumps are now about the same feel as the stock suspension, but do still get absorbed with enough speed. The highway ride is more balanced than stock, but has about the same feel on average. - Stage six - Pretty much focused on race speed off road performance. smaller square edge bumps will be pronounced, but the bigger rollers and whoops just want more speed. Large sand whoops can be skipped across with the correct line and skill. This valving can test the limits of any driver and let the truck obtain jaw dropping speed in the rough. To drive your dodge ram at the limits of this valving will require vast off road driving skill and experience. Highway ride is compromised when contacting large potholes and bumps, but freeway expansion joints are still more balanced than stock.

This kit can be upgraded with sway bar, control arm, and leaf spring options to further improve ride. We HIGHLY recommend adding at least sway bar end links to correct the front sway bar geometry and allow for full droop. A track bar is also highly encouraged. All other options are elective. 

COIL HEIGHTS:

We offer this with multiple coil options up front. Below are the heights for the different options:

2007.5-2009 DIESEL QUAD CAB = 3.00" LIFT 2007.5-2009 DIESEL MEGACAB = 2.875" LIFT 2003-2007 DIESEL QUAD CAB = 3.125" LIFT 2006-2007.5 DIESEL MEGACAB = 3.00" LIFT

2007.5-2009 DIESEL QUAD CAB = 2.00" LIFT 2007.5-2009 DIESEL MEGACAB = 1.875" LIFT 2003-2007 DIESEL QUAD CAB = 2.125" LIFT 2006-2007.5 DIESEL MEGACAB = 2.00" LIFT

2003-2009 Ram 1500/2500/3500 Gas trucks ... 2.75" lift.* 2003-2009 Ram 2500/3500 Diesel trucks ........ 1.75" lift.* 2005-2009 Ram Power Wagon ....................... 1.00" lift. *All MegaCab trucks subtract .25" from the listed height.

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Let's Talk About Building Your Suspension And Answer Some Questions

Most people contact us and say they want a suspension setup that "levels" the truck. The reality of Level is tricky because when you line up 10 trucks with a different front to rear height bias, most of the people that want a level truck would choose the trucks that are about 1/2" to 1" taller in the rear. Here's why.... ( timestamp 0:32 )

If you were looking at a measured Dead Level truck from the front corner, this angle will give the illusion that the front is higher than the rear. Most people don’t like this look because the idea of dead level actually measures out to be a truck that looks a bit high in the rear. We suggest measuring your truck's front to rear bias at the fender openings ( see video for full explanation ). Each truck will measure out a bit differently that's why it's important to measure out your truck before you purchase any suspension components.

How To Measure Your Truck's Ride Height

Considering additional weight, 2013+ ram 3500 models, 2013+ dodge ram variations, air ride assist rear leaf spring model, 2013+ non-airbag rear leaf spring model, 2014+ ram 2500 and power wagon, rear 4-link on a 2500, rear air-suspension trucks, 2014+ power wagon coils, 2003-2012 dodge ram 2500-3500, and 2013 dodge ram 2500, why you need to upgrade your track bar, levelling coil spacers on 1994-2012 ram trucks, shock information, sway bar information for dodge ram trucks, control arm information for dodge ram trucks, leaf springs and rear suspension, towing heavy loads with modified leafs or lt leaf packs, lifts over 3" tall, and the reasons they are difficult to build, properly.

The stock look of the factory setup tends to leave the truck looking severely nose down or as if the front of the truck is weighed down. Even if you like this look, dialing in the suspension should be a priority.

The key to upgrading your suspension is that of having options, not only the ride quality but the look as well. (timestamp 2:09)

*Raising the front suspension height will transfer some weight to the rear resulting in the rear dropping roughly 1/4 inch.

Finding the front to rear bias measurement:

• Park on the most level ground you can find (tip: most smart phones have a level app)
• Measure the front from center of hub to highest point of fender opening
• Record measurement
• Measure the rear from center of hub to highest point of fender opening

Using the measurement information you gathered, apply the lift you would like to the stock measurements. This will give you an accurate idea of what to order when upgrading your suspension components.

*for future reference: we are developing a lift/height result list so you will know exactly what lift you will get, depending on your platform, without accessories, in stock form, when installing our coils. Stay tuned!

Because most of us utilize our trucks for their intended purposes, towing or loading the bed might be a concern all while maintaining a level suspension. To compensate for more weight in the bed simply do just that, load the bed with your usual weight i.e. motorcycles, sod, gravel, wood etc. Park on level ground and take the same measurements as stated above, order your suspension components accordingly.

Another thing to consider is the added accessories you've installed or plan on installing in the future. Our posted lift heights are based on the most common Quad-Cab trucks without accessories installed. Naturally it should be understood that installing accessories will affect the lift height. Anticipate roughly 1/4 inch difference from our advertised lift height.

With or without accessories, the Dodge platforms are not created equally. Mega-Cabs run heavy in stock form  therefore 1/4 inch subtracted from the advertised lift height should be considered. If you own a Regular-Cab truck, it will sit much higher after our coil spring install (approx. 1/2 inch higher). Also, trucks with the RamBox installed weigh approximately 200 Lbs (empty) more than standard bed trucks.

How it all adds up

All things considered, truck configurations in their various forms reflect weight and affect your suspension kit options. Trim packages, accessories, base models vs Longhorn/Laramie editions all have different weights and should be taken into account when buying Thuren Fabrication Suspension components. (timestamp 3:30)

To achieve proper leveling for the 2013+ Ram, Thuren Fabrication Front Coils  & Shocks  is all you'll need. The hours of research and development we have gone through resulted in creating a valving and length combination that provides the best ride possible when used in conjunction with our coil springs.

If you desire a different shock manufacturer for your truck, contact us before you buy so we can advise you on spec approved part numbers for your build. The generic aftermarket manufacturer products will not perform with Thuren Fabrication coil springs.

Additionally, After roughly 20,000 miles of useon the stock trackbar, consider purchasing our track bar  due to wear and tear of your components and to complete your setup.

It needs to be fully understood that the new platform (2013+Radius arms) using coil spacers to gain lift height is risky business. Unlike the 1994-2012 platform,  the location and design of the coil spring mount mandate a shorter coil spring be used.

The limitations of this stock design put a lot of undue stress on the OEM coils with lift spacers installed as the suspension cycles through its range of motion. If coil spacers are installed, dropping the bump stops the same measurement as the coil spacer is important to maintain the OEM geometry and stay as close to stock form as possible.

2013+ models vary in weight simply due to the various trim packages and options available straight from the dealer. Because of these variations, it’s important to obtain measurements for your truck prior to purchasing new suspension components.

Recently we’ve seen a lot of Air-Assist Rear Leaf Spring truck owners wanting to upgrade their suspension. We’ve determined that this model sits a bit lower in the rear in comparison to the other rear leaf spring Ram trucks.

2013+ non-airbag 3500’s sit ½ inch taller in the front compared to the 2500’s and this is in stock form. We list the front coil springs according to our measurements for each model so it’s important to measure your truck so you get the desired lift height and don’t have to return your ordered coils to get the proper ones. We’ve found that most customers like the ride and appearance of a one inch lift in the rear but we don’t offer that option just yet.

To achieve proper levelling for the 2014+ 2500 Ram and Power Wagon, Thuren Fabrication Front Coils  & Shocks  is all you'll need. After roughly 20,000 Odometer miles of use, you should consider getting our track bar. To get the most use and performance from our shocks they must be used in conjunction with the coils we sell. If you desire a different shock manufacturer for your truck, contact us before you buy so we can advise you on spec approved part numbers for your build. The generic aftermarket manufacturer products will not work with Thuren Fabrication coils.

For reference, The Power Wagon OEM front track bar runs ¼ inch longer than the 2500 OEM track bar. We suggest the same 20,000-mile track bar replacement for the Power Wagon as well as the 2500 Dodge Ram.

It needs to be fully understood that the new platform (2013+Radius arm), using coil spacers to gain lift height is risky business. Unlike the 1994-2012 platform,  the location and design of the coil spring mount mandate a shorter coil spring be utilized.

The limitations of this stock design put a lot of undue stress on the OEM coils with lift spacers installed all while the suspension cycles through its range of motion. If coil spacers are installed, dropping the bump stops the same measurement as the coil spacer to maintain the OEM geometry and stay as close to stock form as possible.

A great idea in theory but a bit tricky to build. The handling of the 4-link suspension can also be a handful if softening the ride while adding suspension travel, to address these issues, take a moment to read our rear track bar upgrade data to better understand how to fix these quirks.

The trucks with rear Air-Suspension tend to ride a bit lower than the coil spring set up, if you want to lift your rear suspension, we have an easy to install sensor links for your Air-Bag systems. Our links trick the computer into thinking the truck wants to be roughly an inch taller than stock settings. If you want to keep the rear in stock form, select our one-inch front lift coils so as to not make the front too tall.

The stock coils are almost exactly the same height as our rear coil kit  but the stock configuration ride can be a little rough. Ride quality both on and off-road can be achieved by installing our rear coil spring kit.

These model years have the stock front 4-link suspension and rear leaf spring setup. We have spent days in research and development to get this setup dialed in. This combination has been around for a long time and we’ve come to the conclusion that a 3-inch lift in the front and a ¾ to 1-inch lift in the rear is the best setup for all-around performance. If you purchase our 2-inch coils  for the rear suspension a lift isn’t needed.

A truck in stock form will measure out to be 3 inches lower in the front, the natural thought is that you need a 3-inch lift to level your truck. Problem is, after installing the front 3-inch lift, it has transferred more weight to the rear and therefore lowered the rear a ½ inch.

If you lift the front in this manner without lifting the rear as well, it’ll appear nose high. Adding a rear lift will give your truck the most level appearance from all angles. Remember that after you have measured your front to rear bias, and obtained as close to dead  level as possible, it can appear to be nose high from certain angles. Rely on your measurements to remember that it is not.

The 2003-2012 Ram 2500-3500 and 2013 Ram 2500 stock track bar works well with the stock configuration but anytime you upgrade your suspension, wheels, tires, and/or lift your truck the stock track bar becomes an issue. We've concluded that the OEM 2013+ trackbar can go about 20,000 miles, and function just fine with our suspension components.

If you’re nearing 20,000 miles we suggest upgrading to our track bar  for a solid configuration. For a more detailed explanation please review our FAQ section of the track bar product page.

For the most part, running coils spacers on these models is not an issue. The OEM coil springs are robust enough to handle installing spacers but can become an issue down the road.

Running coil spacers extend the distance of suspension travel before the bump stops come into play, therefore the bump stops should be lowered as well. The OEM coils were not designed to compress to a smaller height and cracking or breaking may become an issue. Suspension sag coils also become a reality over time because of the distance of travel now an option due to the lift. These are both rare occurrences but still a possibility.

When running 2.5 inch or larger diameter shocks, *coil spacers will not be an option. As the suspension cycles, the shock moves from side to side, and coil spacers limit this movement. Think about your end game before purchasing suspension components because the geometry is being affected and might not even give you more ground clearance.

*Be sure to read the 2013+ Ram coil spacer notes for a more defined explanation.

Anytime you upgrade your suspension you’ve changed the geometry designed by the OEM manufacturer. When lifting your truck 2-3 inches higher it is necessary to purchase the appropriate shocks  to compensate for the additional travel of the wheel to vehicle ratio.

The idea is to maintain the stock configuration but at a lifted height for maximum performance and to remain safety conscious. Stock shocks do not have the proper range of movement for your truck once it’s lifted. Rear shocks can handle a 1 inch lift before requiring a shock upgrade.

The 2003-2009 Dodge Ram will require longer sway bar links if you lift or level your truck. The stock sway bar link on 2010 models can handle up to a 3 inch lift, loosening up the top nut a few turns to relax the tension on the rubber sandwich joint will be necessary.

If you want to run the OEM sway bar, Thuren Fabrication XHD sway bar links are the strongest replacement on the market. For a complete upgrade you can order our Active-Rate sway bar in conjunction with our XHD links to improve ride quality both on and off road.

In stock form the OEM control arms will handle up to a 3 inch lift. Beyond 3 inches it will become a necessity to upgrade your control arms for range of motion and durability. For a more detailed explanation visit our control arms product page.

Thuren Fabrication Long-Travel Leaf Springs  were designed to be the best handling softest ride quality leaf springs on the market while maintaining durability and responsiveness. Expect sag to mirror that of a ½ ton truck leaf spring setup. For more information please stop by our leaf spring product page.

A Wallet Friendly Option

The Long-Travel Leaf Springs are the ultimate in ride quality and handling but if you’re looking for a  budget-friendly option, check out our Overload Leaf modification.  The Overload Leaf modification technique was designed in-house and works well with stock leaf springs for an increase in travel.

Modifying The Overload Leaf

After disassembling the stock leaf pack, obtain the overload leaf (the thick tapered leaf under the main curved leaf) and cut it down by a total of 14 inches, 7 inches from the center. Reassemble the leaf pack and reinstall it onto your truck.

By performing this modification you have increased the linear free travel of movement within the leaf pack. Please understand this modification does have a negative aspect when loading the bed with heavy objects. An increase in sag is the result but for a little bit of effort, you’ll have an increase in performance as well.

Many people will just want to remove the overload  leaf completely. We do not suggest this. The above technique is the only way to make sure the main leaf pack is not over-stressed.

Performing the overload leaf modification or installing our Long Travel leaf springs compensation for heavy loads might become a concern. We recommend installing 6-inch airbags of your choice and Daystar Airbag Cradles. This will allow the airbag to float freely above the axle and not affect ride quality.

*Note: it has come to our attention that some truck owners might run their airbags at 0 PSI. In concept, this might make sense except for the fact that airbags with zero air pressure actually build pressure with the action of the axle moving up and down. To have a smooth ride it’s imperative that a small amount of unrestricted travel is achieved while driving. A restricted airbag at zero PSI will drastically affect the ride quality.

Anytime you lift your truck over 3 inches every component within your suspension set up is affected and therefore you’ve invited in additional cost, additional safety concerns, and a lot more aggravation when trying to dial in your suspension.

Any lift over 3.5 inches will require drop brackets and the geometry of the suspension has changed dramatically. The issue arises because the drop brackets for a 6-inch lift are the same as the brackets for a 4-inch lift and for good reason, maintain geometry. The reality of your 4-inch lift is that with a 3-inch track bar and bump stop drop, you’ve only increased your compression by 1 inch.

While looking great, the performance of your suspension has maintained close to that of a stock configuration, and here lies the problem. Ride quality has not increased and in reality a proper, but expensive option, is at a 6-inch lift. If you take this route, be prepared for the build sheet to get longer with components being affected such as Long Arms, a Track Bar Drop, Drop Pitman, Full Leaf Springs to cancel out blocks, extended Brake Lines, possible Driveline Modifications, and on and on.

High lift kits exist and provide a bit of ground clearance but tend to leave out the previously mentioned components that will inevitably need attention. Without attending to these components your handling and drivability will most certainly be compromised.

Through research and development, we prefer our 3 inch systems  to the high lift kits for the 2003-2011 Ram. Our 3-inch lift systems are just that, a designed and engineered system versus simply being a lift kit. It’s built to fit 37-inch tires and is as impressive as any 6-inch lift out there. With the money, you save you can get high-end shocks to build out your rig’s suspension while saving time on the install.

Send us an email at [email protected] if you have any questions or visit our product pages for more information.

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• 3g / 4g 03-13 Front Long Travel Air Suspension
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7/8" JAM NUT LEFT HAND 14(TPI)

• 72-93 Dodge Frame Air tank bracket
• 94-02 2G Dodge Ram Sway Bar Relocation Bracket Set
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• control arm
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• dodge 1st gen
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Heim Joint Boot Pair

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• VIAIR DUAL 485C AIR COMPRESSOR KIT - GEN 2
• “Half Ton” Small Truck (Rear) 4 Link Kit

Qty (2) Boot for your 7/8” or 1-1/4" Heim Joint to protect it from salt and brine spread on the roads in the winter. Grease joint heavily when inst...

94-02 Dodge Ram adjustable Control Arms

Upper and Lower Heavy Duty replacement and extended length control arms for you 2nd gen 4 wheel drive truck. Available in single or double adjustab...

Air Bag/Mount Kit

Option (1) Kit Includes  2- Top Mounting Brackets 2- Bottom mounts  Option (2) Kit includes    2-Firestone Air bags  (8” Plus Travel) 2-Top mounti...

72-93 Dodge Fox Shocks 2.0 with or without Reservoir 4WD

NOT A BOLT ON PRODUCT. Fox Emulsion / Reservoir 2.0 shocks for the front and rear for your truck. 0-3” lift, 4-5” lift, 6-8” lift. Shocks with rese...

DOM Tube, 2" o.d. X .25" Wall, 1.5" i.d.

 Current Material Shortages have increased the price of this tubing FOURFOLD. Please call for specific 2" DOM by phone call, to Jon, at 740.0715.00...

4 Link Rear Kit (Full Size Truck) DIY

Rear 4 Link Builder Kit for full size trucks.  This kit is especially good for trucks that have a fuel tank in front of the axle and inside the fr...

Upper and Lower Heavy Duty replacement and extended length control arms for you 3rd gen or early 4th gen 4 wheel drive truck. Available in single o...

Misalignment Spacers for 1.25” Rod Ends (1” i.d. Bore)

1.25” heim joint misalignment spacers. These spacers fit an inside rod end diameter of 1”. The standard width installed is 2-5/8”. That’s what we a...

Chassis Link Bracket-pair

These are the ideal way to set up the bottom link of any 3 or 4 link suspension and these are almost 3 pounds each! We make them .25 thick with a g...

DOM Tube, 1.5” o.d. X .25" Wall, 1” i.d.

1.5 inch o.d. DOM Tubing, .250 (1/4”) wall material thickness. Sold by the foot, from 2-6’. 

72-93 Dodge Rear Air Suspension Kit (stock Dana 70 axle)

This Air suspension Kit will fit on your dodge 2wd, 4wd, and dually first gen ram!!! Tow like a champ and ride smooth empty! Unparalleled ride qual...

72-93 Dodge Air Suspension Long Travel Big Bag Kit (03-13 ram axle)

1g Long Travel Air Suspension Kit This is the real deal in suspension modification for your 72** through 93 Dodge single wheel truck. 13+ inches of...

1.25" Rod End Set UnLoaded 12(TPI) Qty (2)

Qty(2) 1.25" Rod End Set 12(TPI)  Rod ends without misalignments and tube adapters  Unloaded rod ends 

Frame Inside Panhard / Track Bar Bracket

This bracket is for those of you running stock width axles. Made out of 1/4" plate, it has an ID of 2" and mounts on the inside of the frame. Inclu...

Here they are, a High Quality Jam Nut for a fair price, Cadmium Plated, Left Hand Thread, sold each7/8 Jam NutHex NutZinc PlatedThin Nut Low Profil...

03-13 3rd Gen Ram Sway Bar Link Kit ( 3g Air ) or other

03-13 3rd Gen Ram Sway Link Kit ( 3g air ) or other X2 3g sway bar end links (tube cut in sway end link build / fab)   2 bracket / bolt sets (Hel...

First Gen Dodge W Rear Air Bag Load Support Kit

Not only can you improve your weight carrying capabilities but with a system like this you can modify/soften/replace your rear leaf pack with 1/2-t...

14” Travel Bilstein 5125 shock

Long travel Bilstien universal  Collapsed Length (IN): 20.75 Extended Length (IN): 34.9 Travel Length (IN): 14.15 Compression: 700 Rebound: 2550 ...

Dynatrac HD BallJoints™

Option 1: Complete set of patented, made-in-the-USA, rebuildable Dynatrac knurled HD Balljoints™ for 2003-2012 Dodge Ram 2500/3500 4x4 trucks, and...

Long Travel Air Spring 13" travel

Extended Height:20.70 Compressed Height: 7.40

Frame Outside Panhard Bracket

This bracket is for those of you running wider than stock width axles. Made out of 1/4" plate, it has an ID of 2" and mounts on the outside of the ...

03-13 Ram 3rd Gen Sway Bar Relocation bracket set ( 3g front air )

03-13 Ram 3rd Gen Sway Bar Relocation bracket set ( 3g Front Air ) Does not drop your anti sway bar on 03-13 ram trucks, but moves it forward, ad...

Fox Shocks 2.0 Performance Series With reservoirs 1G 1St Gen Front and Rear Various Lifts

QTY (2) Fox Shocks 2.0 Performance Series Reservoir Smooth Body Shocks are a high performance shock providing you the experience of enhanced ride q...

7/8 To 7/8 Rod end set unloaded

7/8 To 7/8 Rod end set unloaded Rod End Jam Nut   

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Why Your Cummins Deserves Upgraded Suspension and Steering

Alright, so you’ve got a heavy duty Cummins powered Ram. How’s it ride? How’s the steering? You know, just because it’s built to haul doesn’t mean it has to ride like a chuck wagon. Furthermore, did you know that for those looking to lift or level their truck, you can actually drastically improve the ride when doing this, instead of making it worse as many aftermarket lift kits tend to do? Well, its all true.

Before we dive into all of this, lets cover some of the basics and how the steering and suspension have evolved over the years on the different eras of Cummins (this discussion is specifically revolving around four wheel drive models). The Cummins powered Ram was first introduced with the 1989 model year and remained until 1993, commonly referred to as a “1st Gen.” The suspension on these trucks were comprised of front and rear leaf springs, and really very basic in nature. If you’ve ever driven a 1st Gen, especially with the original leaf springs that are most likely fatigued and flattened out due to wear and tear, you may have needed a back brace immediately following as you would have felt any crack in the road all the way to your teeth.

The next generation of Rams, dubbed “2nd Gens” were released in 1994 and were carried through 2002. This new body style, coupled with a revised 12 valve engine, also received a completely updated suspension. Here, we saw the advent of front coil springs in an effort to improve the ride. The switch over to coils from leaf springs also required the addition of front control arms and a track bar to secure the axle squarely under the frame. Model year 2003 saw the release of the 3rd Gen models with, again, an entirely new body style, engine, and transmission. While the suspension and steering were revised on these models, the basic overall design principle and geometry were relatively the same, just updated to fit the new “package.”

The first big change was actually to the steering in mid model year 2008. In order to best explain the change, lets first cover what the earlier models were equipped with. From 1994-2008, heavy duty Rams had a steering geometry that is commonly referred to as “Y-Style Steering.” In a Y-Style configuration, your drag link starts out at the pitman arm and then connects directly to the passenger side steering knuckle. Then, you have a center link that connects from the drag link over to the drivers side steering knuckle. In this configuration, the truck has a pivot point between the two wheels (see illustration).

In 2008.5 models, Ram made the switch to what is now deemed “T-Style Steering” that eliminates this pivot point by having the center link extend from knuckle to knuckle, and the drag link tying into it. This upgrade also features more robust tubing, with a substantially larger diameter, delivering even greater strength. Unbeknownst to many, Ram actually had a factory T-Style Steering for a short stint in 1998-1999 and abandoned it for whatever reason.

The question still stands, which is better? In our opinion, as well as most others, T-Style is the best option. Many would also attribute the pivot point on Y-Styles to the infamous “Death Wobble.” If you haven’t heard of this before, long story short, its an occurrence in which the front wheels are able to move independently of one another, steering towards each other, then away, resulting in a violent shaking of the entire vehicle. So yeah, Death Wobble’s a bad thing that you really don’t ever want to experience first hand. Really, the only negative of a T-Style Steering is that it results in a steeper angle of the drag link which can cause bump steer. Bump steer can best be described by the quick jerk to the right of your steering wheel after hitting a bump, and it stems from an excessive incline on the drag link.

In 2010, Ram released their next iteration called the “4th Gens” that received yet another face lift. However, in terms of the suspension, it was basically the same as the 3rd Generation Rams. But, and here’s a big old but…..for 2013, the 3500’s, and only the 3500’s, received an entirely new front end that many would argue took some serious design cues from the Ford SuperDuty lineup, which really isn’t a bad thing. The highlights of this upgrade were the abandonment of control arms in favor of radius arms and an entirely new steering geometry. The new geometry can’t really be deemed a T or a Y-Style as the drag link and center link are not attached to one another. Rather, the drag link comes in and attaches to the top of the passenger side knuckle and the center link attached towards the bottom of the knuckle. Effectively, this eliminates any pivot point but also drastically reduces the drag link angle (hence no bump steer). The following year, the 2500’s would also get the same new front end overhaul due to the overwhelming success the 3500’s had with it. And here’s where Ram sent a tidal wave through the heavy duty pickup market, as along with the new front end, the 2014 2500’s were also treated to rear coil springs. That’s right, you won’t find a single leaf spring on a 2014+ Ram 2500, its all coils, and this was done in a huge effort to improve the ride quality. With rear coils, Ram was also forced to now have rear control arms and a rear track bar, basically meaning the rear was quite similar to the front.

And here we are, now that you’re completely versed in the major design changes to the steering and suspension of the Rams throughout their lifespan, how can it be improved, and why would you want to? As we mentioned earlier, just because you drive a heavy duty truck doesn’t mean it has to ride like one. Further, just because you want to lift or level the truck doesn’t mean you have to compromise the ride. Why not make it better? We are huge advocates for installing upgraded components and kits that will not only deliver enhanced off road performance, but also huge gains for the majority of trucks used as a “truck.” Whether you haul a fifth wheel, load round bails on a flat bed, or just daily drive to work, there are upgrades that will absolutely deliver a noticeable, seat of the pants feel improvement.

If there’s slop in your steering, Red-Head Steering Gears makes upgraded gear boxes that will tighten everything up. BD-Power also makes steering box braces that will eliminate wandering from the sector shaft. If your suspension is rigid, we offer Carli Suspension kits that will not only level the ride, but make potholes and ruts disappear for the daily driver, or allow you to hit the sand whoops in the dunes if you so choose. When your ball joints are in need of replacing, don’t put the same junk back in that will just fail, Dynatrac and Carli both manufacture the toughest joints in the industry that you’ll never have to worry about again. And Synergy Manufacturing has super beefy steering kits that are built to take a beating and last a lifetime.  In short, if something can be replaced, there’s a bullet proof and better built upgrade on the market for it.

Lastly, we get the question on a daily basis, why don’t they install these types of upgrades from the factory, especially with the price tags on these trucks nearing the six digit mark? That answer is simple, if they did, these trucks would be even that much more expensive with the amount of markup they have in their own components. When you’re ready to upgrade your Ram’s suspension or steering, we’ve got the parts and the knowledge to get you the end result you’re after.  As always, if you have any questions about upgrades, feel free to give us a call at (888) 99-DIESEL, shoot us an e-mail at [email protected] , or you can also CLICK HERE and check out some of our most popular suspension upgrades for your Cummins.

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DOR 3rd Gen 3" Suspension Kit 03-09 2500/3500

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Dodge Off Road

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Description

DOR's 3" Suspension kit for your 3rd gen truck gives you the high quality parts to lift your truck the right way the first time, at a very affordable cost. Too often, Ram truck owners will buy a cheap kit because of the price and then spend the next couple of years replacing all of those cheap parts with good parts. We try to skip that step by giving you something that you can install and enjoy until you sell your truck or go with a bigger lift. Our 3" kit includes:

3" progressive rate coil springs for a nice soft ride and plenty of travel. 

DOR's fixed length short arms, using 2" OD .250" wall DOM tubing for the biggest, strongest short arms on the market (upgradeable to offset arms or adjustable arms) which allow your axle to be pushed forward 1/2" of the stock position for better tire clearance and a better ride.

DOR adjustable track bar, made from 1.5" OD DOM tube with an FK uniball at the frame  and a chromoly heim joint at the axle end, both using our  custom machined 303 stainless misalignment spacers. 

DOR 1" lift shackle for your rear suspension to give you a little extra height without the use of blocks or stiff mini-packs.

You can also add our huge 1.25" OD end links with 3/4" chromoly heims.  These are not necessary for a 3" lift height, but they are a great upgrade if your stock end links are worn out. 

Compare our kit to other 3" kits and you'll notice that many don't include upper and lower short arms; we include these on all kits because the axle does get pulled back with a 3" lift and creates an unstable feeling in the steering, plus you have less tire clearance than you really should have. The whole point of lifting the truck is to fit larger tires, so we like to move the axle forward just 1/2" and give you that extra room to fit 35" or 37" tires (depending on your wheel setup).   As of 2021, we no longer provide shocks with suspension kits.  You'll need to source your own. 

This setup will provide your 2003 - 2009 Ram 2500/3500 4x4 truck with 3" lift up front, 1" lift in the rear, a level stance, a much softer ride than stock, and room for 35" or 37" tires. We only use the highest quality parts, no coil spacers or drop brackets or blocks, so you can install this suspension and enjoy it.

Our 3" short arm suspension offers more articulation than most long arm setups that cost twice as much money.  If you want a suspension that works well and feels very comfortable on the highway, this is a great setup that offers a lot of value.  We make everything in-house so you aren't paying for outsourcing, and that is why we are able to keep our prices down so much lower than other high-end suspension kits. 

If you want this kit with long arms, we have a separate listing for that suspension package.  Check out part number 3001-LA. 

This suspension system is not a stocked item, we build them to order.  Depending on material on-hand, backorders, shipping delays, etc it could take weeks or months for your order to ship.  We do not guarantee when it will ship.

Additional Information

Related products.

Dodge Off Road Track Bar 3rd Gen - 03-09

DOR 3rd Gen 3" Long Arm Suspension Kit 03-09 2500/3500

DOR 3rd/4th Gen 6" Suspension Kit 03-12 2500/3500

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