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TJ/LJ Front Lower Long-Arm Control Arms

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The MetalCloak TJ/LJ Lower Duroflex Control Arms are precision engineered for all the flex and the smoothest ride.

Equipped with the Patented MetalCloak Duroflex™ (metalcloakpatents.com) self-centering composite bushings at both ends for a combined misalignment of over 68 degrees.

Now made with DuPont™ Kevlar® fiber - the first suspension components manufactured with Kevlar® for industry leading durability.
All parts are treated with Gold Zinc Chromate for the ultimate in defense against the elements.

Note: MetalCloak Recommends You Have a Suspension Specialist Align Your Jeep Once MetalCloak Suspension is Installed.

Usually Ships in 2 to 3 Days
Price As Configured:
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MetalCloak's Jeep TJ Wrangler Game-Changer Suspension is the proven leader among production suspension systems.

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.

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.

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.

A Comparison of Flex

Comparing the Flex of the Duroflex Joint with that of the Johnny Joint, the Teraflex Monster and the typical Clevite.


"Typical" Radius Arm systems inherently bind causing premature bushing wear and excessive stress on bracketry. The Lock-N-Load solves that problem.

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.


Lower Front Long Arms

TJ/LJ Lower Front Long Arms

Both the Front Radius Arms and the Lower Rear Hi-Clearance Arms are manufactured for the ultimate in strength and versality.

  • 2" .18 wall DOM
  • Signature Gold Zinc Chromate
  • Oversized Duroflex Joints at the Belly Pan
Made strong and made to last!

Control Arm Duroflex Joint Alignment...

Yes, the Radius Arm is back!

  • Fit ideally in to the limited space under the TJ/LJ Wrangler.
  • Aid to the protection of vital components of the under carriage.
  • Allow maximum up and down wheel travel while keeping the pinion angle in check.
  • Have unparalleled on-road handling characteristics that cannot be denied.
But Radius Arms typically have a major problem... BIND. This bind causes premature bushing wear and undue stresses on the axle.
Duroflex Misaligned


MetalCloak's Lock-N-Load Radius Arm system removes the most common problem that causes more long term damage to bushings and axles... BIND.

The Lock-N-Load extends at full droop, compressing one spring and extending the other.

At full stuff, the Lock-N-Load compresses. There is always compression and resistence.

Lock-N-Load Compression


The Patented Duroflex™ Joint (metalcloakpatents.com) is the key to getting the greatest flex in a bolt-on suspension kit. Period.

Duroflex Control Arm Joint Comparison

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.

Duroflex Kevlar Bushing

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.

High Vibration Dampening & Self Centering...

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
Duroflex Joint Vibration Dampening
Duroflex High Misalignment

High Misalignment...

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

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
Duroflex Mirco Movement
Duroflex High Misalignment

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.


Duroflex Rebuildable
Forged Ends

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.

Control Arm Specs

TJ Wrangler Lower Front (SKU #7090)
  • CNC Machined
  • 3/16" Wall DOM Steel
  • 2.0" OD
  • Precision Locking Nut
  • Gold Zinc Plated
  • Duroflex Joint at Both Ends
TJ Wrangler Lower Front Duroflex Control Arms

Degrees of Articulation

MetalCloak's Duroflex Joint provides 28˚ more articulation and flex than typical control arms! (Learn More About Duroflex Control Arms)

Duroflex Control Arms Articulation Low Articulation Joints

What's in the Kit?

  • Front Lower Long Arms
  • All Required Hardware
Metalcloak Suspension System


Items Details
Compatibility 1997 - 2006 Jeep TJ Wrangler
Long Arm Control Arms 2.0" .18" DOM Steel Tubing
Lock-N-Load 2 1/2" .120" Steel Tubing
Duroflex Joint Proprietary Vulcanized Elastomer made with DuPont™ Kevlar® fiber
Steel Coating Gold Zinc


Suspension Alignment: We Recommend You Have a Suspension Specialist Align Your Jeep Once a MetalCloak Suspension is Installed.


Installation Difficulty Easy
Body Modification None
Time to Install 1 - 2 Hours
Installation Instructions Click Here to see a full list of MetalCloak Installation Instructions.

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