The Eibach Pro-UTV Stage 4 Extra Load spring kit is built for the 2025-2026 Polaris RZR Pro R 4 Ultimate / 4-Seat with Fox Dynamix DV Live Valve OE shocks. This complete set of 8 springs uses a true dual-spring setup, keeps the factory Fox Dynamix DV package, requires no revalve, and is made in Corona, CA.
Key Features
- Eibach Pro-UTV springs for the 2025-2026 Polaris RZR Pro R 4 Ultimate / 4-Seat
- Stage 4 Extra Load setup for 300+ lbs added-weight applications
- Complete set of 8 springs for a true dual-spring setup
- Designed for the Fox Dynamix DV Live Valve OE shock package
- No revalve required; made in Corona, CA
Built To Solve: Extra-Load RZR Pro R 4 Spring Support
- Heavy accessories and cargo push the vehicle into the 300+ lb range
- Factory spring support feels overwhelmed on a loaded 4-seat setup
- Lower stages do not match the extra-load build weight
- Owner needs Stage 4 springs for Fox Dynamix DV shocks without replacing the shocks
Best For: 300+ lb RZR Pro R 4 Extra-Load Builds
This Eibach Stage 4 spring kit is for heavily equipped Pro R 4 owners carrying 300+ lbs in passengers, tools, accessories, storage, and trip gear who need the highest stage in this fitment group. If your loaded weight is under 300 lbs, choose Stage 1 for 0-100 lbs, Stage 2 for 100-200 lbs, or Stage 3 for 200-300 lbs.
Specifications
- Brand: Eibach
- Series: Pro-UTV
- Stage: 4 (Extra Load)
- Contents: Set of 8 Springs
- SKU: E85-209-042-04-22
- Shock Package: Fox Dynamix DV (Live Valve) OE
- Manufacturing: Made in Corona, CA
- Warranty: Backed by Eibach's warranty.
Fitment
- 2025-2026 Polaris RZR Pro R 4 Ultimate Fox Dynamix DV
- Submodel: Pro R 4 Ultimate / 4-Seat
FAQ
Is this a 2025-2026 Polaris RZR Pro R 4 spring kit?
Yes. This Eibach Pro-UTV spring kit fits the 2025-2026 Polaris RZR Pro R 4 Ultimate / 4-Seat application listed with the Fox Dynamix DV shock package.
Does this fit Fox Dynamix DV?
Yes. This spring kit is for the Fox Dynamix DV Live Valve OE shock package on the listed RZR Pro R 4 Ultimate fitment.
What does Stage 4 mean?
Stage 4 is the Extra Load option for 300+ lbs of added weight. Choose it for the heaviest RZR Pro R 4 setups in this stage family.
How do I choose the correct Eibach stage?
Choose the Eibach stage by added vehicle weight: Stage 1 for 0-100 lbs, Stage 2 for 100-200 lbs, Stage 3 for 200-300 lbs, and Stage 4 for 300+ lbs.
How many springs are included?
This Pro-UTV kit includes a complete set of 8 springs for the listed Fox Dynamix DV RZR Pro R 4 application.
Does this replace the shocks?
No. This is a springs-only upgrade for the OE Fox Dynamix DV package. It does not replace the shocks, and no revalve is required.
Why Eibach
Eibach builds suspension components around vehicle-specific applications, not one-size-fits-all guesses. For this Polaris RZR Pro R 4 Ultimate fitment, the Pro-UTV line gives D2D customers a staged spring option that keeps the OE Fox Dynamix DV system in place while matching the spring package to the vehicle load.
Finish Your RZR Pro R 4 Suspension Setup
Confirm your 2025-2026 Polaris RZR Pro R 4 Ultimate has Fox Dynamix DV Live Valve OE shocks, then match your loaded accessory weight to the correct Eibach stage before checkout. Order from Dunes 2 Dezert SXS.
Installation Instructions
Eibach provides official installation instructions for this spring kit. Download the Eibach Installation Instructions (PDF - Doc D4553).
How to Adjust Ride Height & Shocks
Eibach's official guide to adjusting ride height and shock preload on your UTV:
Choosing Your Eibach Stage
New to Eibach Pro-UTV springs? This overview covers the Stage 1-4 system and how to pick the right kit:
