Polaris RZR Trail 900 Keller Ball Joints

Unbreakable Ball Joints for Your Polaris RZR Trail 900

Engineered for the relentless demands of off-road riding, these Keller Ball Joints are the ultimate upgrade for your Polaris RZR Trail 900. Forget the limitations of flimsy snap rings; our innovative two-piece design uses a robust threaded chromoly housing that stands up to extreme impacts and oversized tires, ensuring your ride stays uninterrupted.

What’s in the Box

Why Riders Upgrade

Ball Joints vs. Stock or Generic Options

Common Questions

What makes Keller Ball Joints different from stock?
Our unique two-piece threaded design eliminates the snap ring failure common in OEM ball joints, offering superior strength and reliability.

Can these handle large tires and aggressive riding?
Yes, they are specifically engineered to withstand extreme impacts, high-clearance A-arms, and larger tire setups without compromising performance.

Are they adjustable and serviceable?
Absolutely. Keller Ball Joints are easily adjustable for preload and feature grease zerks for simple maintenance, ensuring long-lasting smooth operation.

What materials are used in their construction?
The housings are crafted from durable tool steel, and the stud is made from a high-quality chromoly alloy, providing exceptional strength and wear resistance.

What Riders Are Saying

These Keller ball joints are seriously beefy. My RZR handles rough terrain so much better now, and I feel way more confident hitting trails that used to make me nervous about breaking parts. A must-have upgrade!
— Jake, CO

The peace of mind knowing these won't pop out on a big hit is worth every penny. Installation was straightforward, and the adjustability is a nice bonus. Highly recommend for any RZR owner pushing their machine.
— Maria, UT