Duroflex Bushing, 3.63D X 3.58L X .79ID
MetalCloak's Game-Changing Duroflex™ Joints provide the industry's best ride quality. Period.
Now made with DuPont™ Kevlar® fiber - the first suspension components manufactured with Kevlar® for industry-leading durability.
Our Patented Duroflex Joints (metalcloakpatents.com) feature:
- Fits 3 5/8" Diameter Housings
- Maximum Vibration Dampening
- Self-Centering
- Minimum Bushing Wear
- High Misalignment
- Unconstrained Rotational Flex
- Low-Maintenance And Easily Rebuildable
Kit Specs:
- Fits Housing Diameter = 3 5/8"
- Bushing Width = 3 37/64"
- Bolt Hole Diameter = 20mm
Note: MetalCloak recommends you have a suspension specialist align your truck once MetalCloak suspension is installed.
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VIDEOS
MetalCloak's Jeep Suspension Components are second to none.
Who Is MetalCloak?
MetalCloak creates Game-Changing Products for the Off-Road Enthusiast.
Duroflex 101
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.
A Comparison of Flex
Comparing the Flex of the Duroflex Joint with that of the Johnny Joint, the Teraflex Monster and the typical Clevite.
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 gives better dampening properties over OEM style rubber Clevite Joints and provides more misalignment than "other" inferior Flex Joints.
Vibration Dampening
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.
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.
THE TECH
Duroflex Bushings
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, 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 an extremely high tensile strength-to-weight ratio, five times stronger than steel and commonly used in bulletproof 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.
High Vibration Dampening & Self-Centering...
Made of a Proprietary Elastomer Compound, the High Vibration Dampening and Self-Centering characteristics of the Duroflex Joint mean you will always get...
- The best ride quality
- No binding of your control arms
- None of the micro-wear that DESTROYS Flex Joints


High Misalignment...
By adapting the High Transverse Flex characteristics of a typical Flex Joint, the Duroflex Joint gives you...
- Incredible Misalignment
- Self-Centering Control Arms
Absorbs Micro-Movements...
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.
Done.

What's in the Kit?

- Duroflex Joint
TECHNICAL SPECIFICATIONS
| Items | Details |
|---|---|
| Duroflex Joint | Proprietary Vulcanized Elastomer made with DuPont™ Kevlar® fiber |
INSTALLATION
| Installation Difficulty | Easy |
| Body Modification | None |
| Time to Install | 1 Hour |
| Installation Instructions | View Duroflex Joint installation instructions. |
