Jeep JK Wrangler, JL Wrangler, Rear Upper Duroflex Long Arms
MetalCloak Duroflex™ Upper Rear Long Arm Control Arms for the Jeep JK Wrangler and JL Wrangler. Built for strength and formed for clearance, the 1.5" DOM arms are equipped with adjustable threaded Forged ends that can take trail abuse. Fitted with Duroflex Joints, these arms offer the best NVH properties that can be found.Features Include:
- CNC formed 1.5" DOM x 3/16" Wall Steel Tubing
- Adjustable Forged Threaded Ends
- High Clearance Bends
- Duroflex™ Joints Enhanced with Kevlar
- Vibration Dampening & Self Centering (best ride quality)
- 68° of Maximum Articulation (typical arm only 40°)
- Self Centering Joint shares load forces equally
- Maintenance Free Joints and Easily Rebuildable
- Gold Zinc Plated for Protection Against the Elements
- Designed for Maximum UP and DOWN Travel
Equipped with Our Patented (mcpatents.com) Duroflex Joints, the only vulcanized elastomer, self-centering joint that is enhanced with DuPont™ Kevlar® fiber – providing incredible durability with more misalignment and better vibration dampening than anything else available. Duroflex joints are Exclusive to MetalCloak (see detailed info in the main body).
MetalCloak “components” have been proven safe with the FMVSS certificate of safety configured with 37" tires, full body armor and suspension lift.
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MetalCloak's Jeep JK Wrangler Suspension Components are second to none.
Who Is MetalCloak?
MetalCloak creates Game-Changing Products for the Off Road Enthusiast.
This short video covers what you need to know about the basics of the Duroflex Joint. How it should be used and what to expect when using it.
Why Gold Zinc?
It's time for The MetalCloak Minute... where we answer frequently asked questions in about a minute. Today's topic: Gold Zinc.
Duroflex Joint Maintenance
It's time for The MetalCloak Minute... where we answer frequently asked questions in about a minute. Today's topic: Joint Maintenance
Duroflex Joint Revealed
The MetalCloak Duroflex Joint takes the best qualities of OEM style Clevite Joint and the popular Johnny Joint style Flex Joint and combines them.
We tested our Duroflex Joint using a "Shaker Table" and seismometer app to show how much Vibration Dampening the Duroflex Joint gives you compared to other industry leading joints.
A Comparison of Flex
Comparing the Flex of the Duroflex Joint with that of the Johnny Joint, the Teraflex Monster and the typical Clevite.
What is Corner Travel Index?
Since 2014 MetalCloak has tested thousands and thousands of rigs at events all across the county collecting specs on the build and cataloging the results. The data collected allows us to make our own products better.
FMVSS 126 Compliant
MetalCloak not only has the best off road flex, but we are also Federal Motor Vehicle Safety Standard 126 certified and compliant. No other company can match our on- and off-road performance.
Proudly Made in the USA
MetalCloak proudly manufactures products in America. Take a glimpse of Our incredible team that lives and breaths innovation and quality.
IT ALL STARTS WITH THE BUSHINGS
The Patented Duroflex™ Joint (metalcloakpatents.com) is the key to getting the greatest flex in a bolt-on suspension kit. Period.
MetalCloak has taken the best features of the most widely used control arm joints and combined those features to create the Duroflex Joint, producing a Low-Maintenance, High-Misalignment (34˚), Self-Centering, Rebuildable Joint with an OEM quality ride.
Now with Kevlar!
DuPont™ Kevlar® Fiber is now compounded in the proprietary elastomer of the Duroflex Bushing, bringing even more strength, durability and performance.
Kevlar® is a synthetic fiber with extremely high tensile strength to weight ratio…five times stronger than steel and commonly used in bullet proof armor applications.
Duroflex Bushings w/Kevlar® can be identified by the MetalCloak “M” located on the outer surface.
The Duroflex Joint Provides The Best Ride. Period.
Made of a Proprietary Elastomer Compound, the High Vibration Dampening and Self-Centering characteristics of the Duroflex Joint means you will always get...
- The best ride quality
- No binding of your control arms.
- None of the micro-wear that DESTROYS Flex Joints
By adapting the High Transverse Flex characteristics of a typical Flex Joint, the Duroflex Joint gives you...
- Over 34° of Misalignment
- Over 68° per Control Arm
Because the Duroflex Bushing absorbs the millions of Rotational Micro-Movements found in your daily driving, you get...
- Improved Ride Quality
- None of the micro-wear that DESTROYS Flex Joints
True Bearing Surface...
The outer surface of the Duroflex Bushing acts as a bearing, breaking free when called for, giving you...
- Maximum Rotation & Articulation
- No "Binding Up" of the Control Arms
Low Maintenance & Rebuildable...
Unlike typical Flex Joints, the Duroflex does not require replacing key parts every year like others...
But, when you do need to rebuild it, it is MetalCloak Easy!
Just pull out the Duroflex Bushing, clean it up, add some new Teflon impregnated, synthetic silicone grease. Reassemble.
Forged for Strength...
The adjustable threaded sides are Forged that give a 37% higher fatigue strength over inferior cast parts, this EXTRA rock bashing strength will hold up to whatever you throw at em.
At MetalCloak We Take The Care To Build It Right...
Control Arm Duroflex Joint Alignment...
At MetalCloak we take the care to build every product right.
Most manufacturers build their control arms misaligned from center. Why? It simply costs less to do so.
By not cutting any corners, our joints are Centered and Aligned reducing wear and improving performance.
It makes them easier to install, too!
- CNC Machined
- 3/16" Wall DOM Steel
- 1.5" OD
- Threaded Forged Ends
- Precision Locking Nut
- Gold Zinc Plated
- Duroflex Joint at Both Ends
Degrees of Articulation
MetalCloak's Duroflex Joint provides 28˚ more articulation and flex than typical control arms!
What's In The Kit?
- Upper Rear Control Arms
|Compatibility||2007 - 2018 Jeep JK Wrangler | 2018 + JL Wrangler|
|Control Arms||1.5" DOM x .375" Wall Steel Tubing|
|Duroflex Joint||Proprietary Vulcanized Elastomer made with DuPont™ Kevlar® fiber|
|Steel Coating||Gold Zinc|
|Time to Install||1 - 2 Hours|
|Installation Instructions||Written instructions are not provided for this product. If you have questions about this kit, please reach out via the Contact Us form.|