Upgrade to Unbreakable Ball Joints for Your Polaris RZR XP 900
Say goodbye to blown-out ball joints and hello to uncompromised off-road performance. Keller Performance Products re-engineered the ball joint to eliminate the snap ring failure point, offering a robust, two-piece design that holds strong under extreme conditions, ensuring your RZR XP 900 stays on the trail, not in the shop.
Snap Ring Eliminated
Superior Design
Chromoly Steel
Heavy-Duty Construction
Greaseable & Adjustable
Extended Service Life
Vehicle Specific
Perfect Fitment
Whatβs in the Box
β Keller Ball Joint Set
Includes (2) two-piece ball joints
β Mounting Hardware
All necessary bolts and nuts
β Installation Instructions
Step-by-step guide
Why Riders Upgrade
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Unmatched Durability
The two-piece design eliminates the snap ring failure point, providing a virtually indestructible ball joint solution.
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Chromoly Steel Construction
Engineered with hardened chromoly steel for superior strength and resistance to impacts, even under heavy loads.
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Adjustable & Greaseable
Maintain peak performance and extend lifespan with easily adjustable preload and grease fittings for continuous lubrication.
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Worry-Free Riding
Confident installation that pinches the A-arm securely, preventing unintentional pull-out and allowing you to push your RZR harder.
In Stock & Ready To Ship
Processing: Packed with care before shipment
Tracking: Sent when shipped
Confirmation: Sent after checkout
Although rare, some delays may occur. Weβll keep you updated every step of the way.
RZR XP 900 vs. Stock Ball Joints
STOCK BALL JOINTS
β Prone to snap ring failure
β Weak OEM materials
β Can fail under heavy load
β Not rebuildable
β Limited lifespan
β‘ KELLER BALL JOINTS
β Snap ring eliminated
β Chromoly steel construction
β Secure two-piece design
β Greaseable & adjustable
β Built for abuse
Common Questions
What makes Keller ball joints different from stock?
Keller ball joints feature a two-piece design that eliminates the failure-prone snap ring found in most OEM ball joints.
Are these ball joints durable enough for aggressive riding?
Yes, they are constructed from hardened chromoly steel and are designed to withstand significant abuse and heavy loads.
Can I rebuild or adjust these ball joints?
Absolutely. They are greaseable and adjustable, allowing you to maintain optimal performance and extend their service life.
Will these fit my Polaris RZR XP 900?
This kit is specifically designed for the Polaris RZR XP 900 (2011-2014) and RZR XP 4 900 (2012-2014).
What Riders Are Saying
These Keller ball joints are seriously tough. I beat my RZR up pretty bad, and these are holding up way better than the stock ones ever did. Installation was straightforward too.
β Mark S., Utah
Finally, a ball joint that doesnβt feel like itβs going to break every time I hit a rock! The two-piece design is genius, and the fact that I can grease them is a huge plus for maintenance. Highly recommend.
β Jessica R., Arizona
Don't Let Weak Ball Joints Hold You Back
Equip your Polaris RZR XP 900 with the ultimate in strength and reliability.
Order your Keller Ball Joints today and experience the difference.