Polaris RZR XP900 STS Upper A-Arm Kit
Couldn't load pickup availability
Got questions?
Our Wisco Powersports team is here to help. Reach out anytime and we’ll get you the answers you need before you buy.
Looking for warranty information?
Visit our Warranty & Guarantees page for details on manufacturer warranties, coverage, and how claims are handled.
The Lone Star Racing STS Upper A-Arm Kit is a direct replacement for the OEM Upper A-Arms. The arms are made from 4130 chromoly for superior strength and are greasable. They will reuse the OEM pivot hardware and ball joints.
- Comes as a pair of uppers only
Questions & Answers
Which vehicle is this upper A-arm kit for?
It's the Lone Star Racing STS Upper A-Arm Kit for the Polaris RZR XP900, installed as a direct replacement for the OEM upper arms.
What material are these arms?
They're made from 4130 chromoly for superior strength, and they're greasable.
Will I reuse my factory hardware?
Yes. These arms reuse the OEM pivot hardware and ball joints.
How many arms are in the kit?
It comes as a pair of uppers only. The matching lower A-arm kit is sold separately if you need it.
Are these greasable?
Yes, the arms are greasable for easier ongoing maintenance.