Carli's focus in building this control arm kit was to have the best product on the market. These control arms are 1/2" longer than O.E.M and are built out of mild steel box tube. TIG welded to the end of each arm is a greasable17-4 stainless steel ball center surrounded by a proprietary bushing and joint washers. Having these spherical joints on each end eliminates resistance caused by rubber bushing style set ups, in return creating a smoother ride. These control arms are finished off with a Satin Black powder coat to ensure long term protection from corrosion.
THE DETAILS:
The 2003-2013 Ram 2500/3500 utilizes a 5-Link front suspension. Comprising this link system are upper and lower control arms to hold the axle fore/aft while the track bar serves as the lateral link to minimize lateral shift.
When lifting the front end of a straight axle truck, you’re essentially pushing the axle further away from the frame at ride-height. As the travel is not perfectly linear, the new ride height will set the front axle off-center unless the proper linkages are addressed.
The systems Carli designs for these trucks range from 2.5″-3″ of front lift. Three inches of front lift equates to an axle shifted toward the driver’s side 3/4” and back toward the cab 1/2”. Although this is perfectly operable when the factory control arms and track bar are in good condition, its always recommended to upgrade the trackbar with an adjustable unit to shift the axle back toward the passenger side and provide a stronger link with less deflection for the lifted application, and a set of extended control arms to shift the axle forward to its new center of travel.
The construction of these arms starts with 0.120″ Box Steel mated to in-house machined joint-cups. The mild-steel center sections are welded inboard of center to offset the link as far from the tire as possible for optimal tire clearance.
Carli prides themselves on their joints. In a market abundant with hat-bushing and crush sleeve equipped arms, these spherical bearing arms are leaps ahead of the competition. As described above, the travel of the Ram’s front axle is non linear. It travels up and down and back and forth. This is a non issue for a standard 3-piece hat bushing. The problem is in the substantial lateral shift of the axle thanks to the track-bar design. This side to side movement falls outside the operating range of hat bushings meant for a linear load effectively hot-spotting and egging out the bushing hole as they bind when the axle articulates.
The answer? A spherical joint design allowing far more lateral misalignment in addition to the up and down/fore and aft movement. At the heart of the joint assembly, you’ll find Carli's in-house machined 17-4 stainless ball center. This is surrounded by a proprietary bushings and joint washers. The assembly is preloaded into the cup and retained with a snap-ring. Last but certainly not least, a zerk fitting is added. for ease of servicing.
Over the years, Carli learned a LOT about bushings. Originally, they started with Currie Johnny Joints. Although they were high quality joints and better than anything on the market (at the time), there was room for improvement. Now, ball centers are machined in-house from 17-4 stainless bar-stock. This is a much more corrosion resistant material in addition to being higher strength. While still using Currie, Carli had seen some stress fractures in the joints at the Ram torque specs,but the replacement in-house machined ball centers took without issue! While designing them, they also took the opportunity to oversize the mating surfaces for the most contact area to the control arm frame/axle mounts. They’re substantially larger than the Currie and 0.050″ oversized from even a factory control arm!
Next up, Carli went to work on a project with Energy Suspension designing new bushings for the ball centers. The Currie were great quality, but often difficult to get grease into. It wasn’t uncommon to need to articulate the truck to line the zerk fitting port with the split in the bushings. The redesigned bushings have grease channels engineered into all surfaces to ensure easy greasing and proper grease migration. Further, they’re not interlocked like the old bushings allowing more room for grease and easier joint articulation.
When lifting the front end of a straight axle truck, you’re essentially pushing the axle further away from the frame at ride-height. As the travel is not perfectly linear, the new ride height will set the front axle off-center unless the proper linkages are addressed.
The systems Carli designs for these trucks range from 2.5″-3″ of front lift. Three inches of front lift equates to an axle shifted toward the driver’s side 3/4” and back toward the cab 1/2”. Although this is perfectly operable when the factory control arms and track bar are in good condition, its always recommended to upgrade the trackbar with an adjustable unit to shift the axle back toward the passenger side and provide a stronger link with less deflection for the lifted application, and a set of extended control arms to shift the axle forward to its new center of travel.
The construction of these arms starts with 0.120″ Box Steel mated to in-house machined joint-cups. The mild-steel center sections are welded inboard of center to offset the link as far from the tire as possible for optimal tire clearance.
Carli prides themselves on their joints. In a market abundant with hat-bushing and crush sleeve equipped arms, these spherical bearing arms are leaps ahead of the competition. As described above, the travel of the Ram’s front axle is non linear. It travels up and down and back and forth. This is a non issue for a standard 3-piece hat bushing. The problem is in the substantial lateral shift of the axle thanks to the track-bar design. This side to side movement falls outside the operating range of hat bushings meant for a linear load effectively hot-spotting and egging out the bushing hole as they bind when the axle articulates.
The answer? A spherical joint design allowing far more lateral misalignment in addition to the up and down/fore and aft movement. At the heart of the joint assembly, you’ll find Carli's in-house machined 17-4 stainless ball center. This is surrounded by a proprietary bushings and joint washers. The assembly is preloaded into the cup and retained with a snap-ring. Last but certainly not least, a zerk fitting is added. for ease of servicing.
Over the years, Carli learned a LOT about bushings. Originally, they started with Currie Johnny Joints. Although they were high quality joints and better than anything on the market (at the time), there was room for improvement. Now, ball centers are machined in-house from 17-4 stainless bar-stock. This is a much more corrosion resistant material in addition to being higher strength. While still using Currie, Carli had seen some stress fractures in the joints at the Ram torque specs,but the replacement in-house machined ball centers took without issue! While designing them, they also took the opportunity to oversize the mating surfaces for the most contact area to the control arm frame/axle mounts. They’re substantially larger than the Currie and 0.050″ oversized from even a factory control arm!
Next up, Carli went to work on a project with Energy Suspension designing new bushings for the ball centers. The Currie were great quality, but often difficult to get grease into. It wasn’t uncommon to need to articulate the truck to line the zerk fitting port with the split in the bushings. The redesigned bushings have grease channels engineered into all surfaces to ensure easy greasing and proper grease migration. Further, they’re not interlocked like the old bushings allowing more room for grease and easier joint articulation.
Specifications
- ManufacturerCarli Suspension
- MPNCS-CA-MS-03 | CS-CA-MS-10
WARNING: CANCER AND REPRODUCTIVE HARM
www.P65Warnings.ca.gov
DETAILS:
- Recenters Front Axle on 3" Suspension Systems
- Box 0.120" Wall Mild Steel Construction
- Maximum Tire Clearance
- Hardened Steel Joints
- Zirc Fittings For Easy Maintenance
- Manufactured In-House
- Kit includes four control arms to include upper and lower on both sides
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Carli Extended Control Arms 03-13 Dodge Ram 2500/3500
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