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Get your RS1 race-ready
You want to tear up the sand with the big boys, but OEM axles just aren’t going to cut it. Assault Industries' MAS-223 Phoenix Axles are designed for the most intense riders and the most extreme conditions, with proprietary high-temp grease and race-ready axle construction for serious performance.
Built to withstand face-melting heat
Heat kills axles. As temperatures rise, axle grease can break down, causing friction that ruins boots and CV joints and can even lead to catastrophic failure. Assault’s premium axle grease blend is engineered to resist breakdown in extreme conditions, so you can push your Polaris RZR RS1 to its limits with confidence.
Tested up to 586.4°F
Phoenix Axles were tested up to 586.4°F (308°C) without failure. That’s significantly hotter than the OEM grease, which failed at 365°F.
Reliable CV joints and beefy axle shafts
These CV joints are built for high articulation angles and demanding terrain, delivering power through trail, sand, and rocks. The larger, heat-treated chromoly steel axle shafts add strength for extreme riding conditions.
Fitment: Polaris RZR RS1 2018-2021
Replaces OEM Part #: Front: 1333434, 1334492Rear: 1333124, 1333439, 1333718, 1333944, 1334307, 1334490
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