The SuperATV Rear Differential Frame Stiffener for the 2022+ Polaris RZR Pro R or RZR Pro R 4 reinforces the frame around the rear differential when you add portals, a lift kit or bigger tires. Manufacturer highlights: Nearly twice as strong as stock differential brackets; Uses 10-gauge (3.5 mm) steel (stock use 12-gauge 2.5 mm steel); Easy installation - uses OEM hardware and mounting points.
Pairs with these SuperATV portal gear lifts: Polaris RZR Pro R 4" Portal Gear Lift, Polaris RZR Pro R 6" Portal Gear Lift, Polaris RZR Pro R 8" Portal Gear Lift.
Key Features
- Nearly twice as strong as stock differential brackets
- Uses 10-gauge (3.5 mm) steel (stock use 12-gauge 2.5 mm steel)
- Easy installation - uses OEM hardware and mounting points
Built To Solve: RZR Pro R Frame Stress
- Frame stress from portals, lift kits and heavy tires
- Flex and fatigue at the A-arm mounts on hard hits
- Weak points that crack after big upgrades
Best For: Polaris RZR Pro R Owners
- Polaris RZR Pro R owners (2022+) installing portals or a lift
- Riders running bigger, heavier tires
- Owners who ride rough terrain and want a stronger frame
Specifications
- Material (per the manufacturer): Uses 10-gauge (3.5 mm) steel (stock use 12-gauge 2.5 mm steel)
- Included: the frame stiffener for the options you select. Anything not listed here is not included.
- Installation instructions: RFS-P-PROR (PDF)
Fitment
- Polaris RZR Pro R (2022+)
- Polaris RZR Pro R 4 (2022+)
The manufacturer lists these applications by model and year. Fitment is not guaranteed on models or years not listed above; confirm your exact model before ordering.
FAQ
Which machines does this fit?
The Polaris RZR Pro R models and years listed in the fitment section above (2022+). Confirm your exact model before ordering.
Do I need a frame stiffener with portals?
Portals, lift kits and bigger tires add stress to the frame. A frame stiffener reinforces the weak spots so the frame can handle those upgrades.
Which portals does this pair with?
SuperATV GDP portal gear lifts for this machine, linked on this page.
Are install instructions available?
Yes. The manufacturer installation instructions are linked on this page.
Why SuperATV
SuperATV designs its frame stiffeners and portals for specific machines and publishes model-specific install instructions. Dunes 2 Dezert SXS ships SuperATV parts nationwide.
Reinforce Your RZR Pro R
Confirm your Polaris RZR Pro R model and year above, then add it to your cart.
