Eibach Stage 4 Spring Kit - Polaris PRO R Ultimate | Fox Dynamix

Overview

When you're running heavy and riding hard, the Eibach Stage 4 Spring Kit delivers unmatched control and durability for your Polaris RZR PRO R Ultimate. Designed for machines equipped with OE Fox Dynamix (Live Valve) shocks, this system is tuned to handle 300+ lbs of additional weight—perfect for fully loaded trail rigs, overlanders, and extreme terrain builds.

Key Features

• Engineered for Heavy Loads: Tuned for 4-seat machines carrying 300+ lbs of added gear, passengers, or accessories
• Fox Dynamix Compatible: Specifically designed for OE Fox Live Valve (Dynamix) electronic shocks
• True Dual-Rate Springs: Soft initial response with firm secondary rate for full-weight control and big hits
• Chassis-Specific Tuning: Developed through extensive testing on the PRO R platform
• Increased Ground Clearance: Reduces sag under load and improves ride height and suspension travel
• Proven Performance: Race-tested and made in the USA for unmatched reliability and strength
• Bolt-On Upgrade: No revalving needed—includes all springs and setup instructions
• Limited Lifetime Warranty: Backed by Eibach for long-haul confidence

What’s Included

• Front and rear dual-rate springs
• Setup and installation instructions

Note: Stage 4 (EXTRA LOAD) kit for OE Fox Live Valve Shocks.

Note: We do not guarantee fitment, height or warranties on unlisted applications.

For overbuilt rigs, max payload, or extreme use—Eibach Stage 4 gives your PRO R the strength and ride quality to handle anything the trail throws at you.

WARNING: Cancer and Reproductive Harm – www.P65Warnings.ca.gov