Polaris RZR XP 900 Keller Ball Joint


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Keller’s Two-Piece Ball Joints Are Better
OEM ball
joints rely on a snap ring to hold them, and that snap ring can easily fail
when you’re wheelin’ hard. That’s why Keller came up with a better, two-piece
design that eliminates the need for a snap ring. The rest of the ball joint is
upgraded to chromoly steel too. So put a set of Polaris RZR XP 900 Keller Ball
Joints on your rig, and start sending it without blowing up your ball joints.

Long Lasting and Tough as Nails
You and your
XP 900 have probably been through your fair share of standard ball joints, so
now it’s time to use something different. With a two-piece design, you press
in the joint and then thread the housing onto the back. It pinches your A-arm
like a nut and bolt making it virtually impossible to pull out
unintentionally. And with a hardened chromoly steel construction, it can take
hard hits too. Plus, it’s greaseable and adjustable so you can keep it running
like new.

Ready for Your Massive Rig
you’re running stock or rolling on massive mud tires, Keller Ball Joints are
built for it. Since they don’t depend on a flimsy snap ring to stay in, you
can put more weight on your machine and get wilder without stopping to fix
your blown-out ball joints.


  • 4340 hardened chromoly steel construction
  • Two-piece threaded
    design doesn’t require a snap ring
  • Easily adjustable, rebuildable,
    and greaseable
  • Robust boot retaining ring prevents water


  • Polaris RZR XP 900 : 2011-2014
  • Polaris RZR XP 4 900 :

Additional information


1 Ball Joint, 2 Ball Joints, 4 Ball Joints