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  • Regular price $1,279.95
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A-Arms That Are Built for Battle
If you’re still running stock arms, you don’t know what you’re missing out on. Stock arms bang on every low-lying obstacle and the weak construction can buckle if you push them too hard. Upgrade to SuperATV’s Polaris RZR Trail S 900 2" Forward Offset Boxed A-Arms to get smoother, more reliable rides. The 2” forward offset boosts stability and gives you room to fit up to 30” tires. Combine that with the high-clearance bends and you can cruise right over obstacles and take massive hits without breaking.

Room to Fit up to 30” Tires
These boxed control arms are designed to get over stuff thanks to the 2” forward offset and high-clearance bend design. You get room for up 30” tires without a lift and 1.5” of extra ground clearance. That makes it harder to get hung up on branches and rocks and makes the whole ride feel smoother.

Boxed Strength for Hard Rides
Our boxed design maximizes strength from end to end. We make it with TIG-welded 1/8” heavy-duty steel plating and beefy internal gussets. They’re finished with a UV-resistant powder coating to protect from corrosion. Altogether, they’re super strong and have the bold, burly look to match. Plus, they come with UHMW bushings preinstalled for years of smooth riding.

And if you somehow manage to break them, we’ve got you covered with a lifetime warranty.

Adjustable Pivot Blocks
When you add a lift or a bunch of weight to your RZR, you screw up your camber. With messed up camber comes poorer ride quality and shorter tire life. These A-arms come with adjustable pivot blocks set to factory specs so you can always have perfect camber.

Let SuperATV Do the Work—Preassembly Available!
Want to spend more time on the trails and less time in the garage? Purchase a set of SuperATV ball joints with your A-arms and we’ll install them for you for free! We save you money and time so you can get back to doing what you love.

NOTE: You must re-use your stock ball joints if you don’t select a pre-installed ball joint at checkout.

Super Duty 300M Ball Joints
We took the strongest ball joint material on the market—300M grade steel—and combined it with our superior design engineering to make the strongest ball joint on the market. It comes with an easily-accessible grease zerk and an adjustable steel-on-steel design, making it easy to keep your ball joints maintained and flexible. At 2.25x stronger than stock, you won’t find a better ball joint.

Keller Ball Joints
Keller Ball Joints use a two-piece design that eliminates the need for a snap ring. They thread onto your A-arms like a nut and bolt, which makes these ball joints virtually impossible to pull out. The high-quality chromoly steel stud combined with an advanced tool-steel body makes them perfect for bigger machines, bigger tires, and bigger rides. And since they’re greaseable and rebuildable, you can keep them running perfectly.

Heavy Duty Ball Joints
Our heavy-duty ball joints are designed with ultimate performance and convenience in mind. Whether you’re doing flips or chasing hills, our proprietary blend of hardened 4340 VAR steel and zinc plating means this ball joint can take it. Our heavy-duty ball joints also come with easily-accessible grease zerks and an adjustable design. Extensive lab and field testing shows that our heavy duty ball joints can withstand double the pressure of an OEM ball joint!

Standard Duty Ball Joints
SuperATV’s standard replacement ball joints give you OEM quality without the OEM price! They’re made with hardened chromoly steel studs and housings—all zinc plated—for superior strength and longevity. All of this delivers a ball joint that’s as strong as or stronger than stock.

WARNING: This product can impact machine operation. Customer and/or user is responsible for ensuring that this product is compatible with their machine as currently configured, properly installed, and understands any impact this product has or might have on the machine's operation.

  • Adds 2” of forward offset
  • Adds 1.5” of ground clearance
  • Fit up to 30” tires (33” tires when paired with 1.5” Rear Offset A-Arms)
  • Made with 1/8” heavy-duty steel plating
  • Adjustable pivot blocks for full camber adjustability
  • Includes high-quality UHMW bushings at no extra cost
  • UV-resistant powder coat finish
  • Easy to install
  • Backed by a lifetime warranty


  • Polaris RZR Trail S 900 : 2021+