Upgrade Your RZR Trail S 1000's Weakest Link
Eliminate the risk of ball joint failure and enjoy more trail time with Keller Ball Joints. Engineered to outperform stock, these two-piece ball joints are designed for ultimate durability and reliability, even on lifted and heavy-duty machines.
2-Piece Design
Superior Strength & Retention
No Snap Ring
Prevents Push-Through Failure
Adjustable & Greaseable
Easy Maintenance for Longevity
Heavy-Duty Materials
Tool Steel & Chromoly Alloy
✓ Keller Ball Joints
Eliminates weak OEM snap ring design
✓ Chromoly Housing
Threaded design for superior retention
✓ Tool Steel Stud
Built to withstand harsh impacts
Why Riders Upgrade
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Eliminate Breakdowns
Tired of replacing busted ball joints? Keller's design prevents the common snap ring failure that plagues OEM components.
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Handle Big Tires & Lifts
The robust two-piece design and premium materials can handle the stress of larger tires and aggressive riding styles.
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Long-Lasting Performance
Adjustable and greaseable, these ball joints are built for years of reliable service, keeping you on the trail and out of the garage.
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Save Time & Money
Upgrade proactively and avoid costly repairs and downtime. Invest in reliability that pays off.
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. We’ll keep you updated every step of the way.
Keller Ball Joints vs. Stock Options
STOCK BALL JOINTS
✗ Weak snap ring design
✗ Prone to push-through failure
✗ Limited adjustability
✗ Can wear out quickly
✗ Requires frequent replacement
⚡ KELLER PERFORMANCE
✓ Eliminates snap ring failure
✓ Secure threaded housing
✓ Adjustable for precise fit
✓ Greaseable for longevity
✓ Built for heavy use
Fits These Machines
Polaris RZR Trail S 1000
2021+
Common Questions
What makes Keller Ball Joints different from stock?
Keller uses a two-piece, snap-ring-free design with a threaded chromoly housing that pinches the A-arm, preventing push-through failure unlike stock ball joints.
Are these suitable for lifted RZRs?
Yes, their robust design and durable materials are specifically engineered to handle the stresses of larger tires and lifted suspension setups.
How do I maintain them?
Keller Ball Joints are adjustable and greaseable, allowing for easy maintenance to ensure long-lasting performance and a smooth ride.
How many ball joints do I need per vehicle?
This product is sold individually. Typically, a vehicle will require four ball joints (two upper and two lower). Please check your vehicle's specific needs.
What Riders Are Saying
These ball joints are seriously beefy. I haven't had a single issue since installing them, and my RZR is lifted with 32-inch tires. Worth every penny to avoid the hassle of stock failures.
— Mark S., Colorado
I was constantly replacing ball joints on my old setup. Since upgrading to Keller, I've had zero problems. The peace of mind alone is fantastic. Installation was straightforward too.
— Jessica L., Utah
Ready to Conquer Any Trail?
Don't let weak ball joints hold you back. Upgrade your Polaris RZR Trail S 1000 with Keller Ball Joints today!
Engineered for extreme durability and rider confidence.