SDI Dual Rate Shock Spring Kit for Polaris RZR XP Turbo (4-Seat)
Product Description
The SDI dual rate shock spring kit for Polaris RZR XP Turbo four-seat models is engineered to improve suspension performance, stability, and ride comfort. Through extensive testing and tuning, SDI developed this kit to convert factory suspension into a true dual-rate spring setup, allowing both tender and main springs to work together throughout the suspension travel.
Dual-rate suspension springs allow the suspension to absorb smaller bumps more smoothly while providing additional support during larger impacts. This results in improved ride quality and better suspension control during aggressive off-road driving.
The SDI spring kit significantly reduces body roll, nose dive (bucking), and harsh bottom-outs (G-outs), helping your RZR maintain stability and traction across dunes, desert terrain, and rough trails.
Each kit includes durable motocross-inspired crossover rings designed for easy installation and adjustment. Riders can fine-tune when the secondary spring engages, allowing suspension performance to be optimized for different terrains and riding styles.
Manufactured using high-quality materials and made in the USA, this SDI shock spring kit provides long-lasting durability for demanding off-road environments.
Key Features
• Converts factory suspension to a true dual-rate spring setup
• Fine tuned and tested to improve ride quality
• Helps reduce body roll and nose dive (bucking)
• Improves resistance to bottoming out during heavy impacts
• Enhances suspension performance across rough terrain
• Durable motocross-inspired crossover rings for easy adjustment
• Allows riders to tune secondary spring engagement points
• Made in the USA for durability and reliability
Kit Includes
Tender Springs — Qty 4
Main Springs — Qty 2
Crossover Rings — Qty 4
Benefits of Dual Rate Suspension Springs
Dual-rate suspension springs improve how suspension reacts to both small bumps and large impacts.
Advantages include:
• Improved small bump comfort
• Increased stability during aggressive driving
• Reduced suspension bottom-outs and G-outs
• Improved traction and suspension control
• Better overall ride quality across rough terrain
Fitment
Compatible with:
- Polaris RZR XP Turbo (4-Seat) models equipped with Walker Evans Racing shocks
Part Number: UDCSKHD-T
Frequently Asked Questions
What is a dual-rate spring setup?
Dual-rate springs combine a softer initial spring with a firmer secondary spring to improve comfort on small bumps while providing additional support during large suspension impacts.
Are these springs compatible with factory shocks?
These springs are designed specifically for Walker Evans Racing shocks commonly found on RZR XP Turbo models.
Will this improve ride quality?
Yes. Dual-rate spring systems improve suspension response, reduce harsh impacts, and increase vehicle stability.
Are the springs adjustable?
Yes. The included crossover rings allow you to adjust when the secondary spring engages depending on terrain and riding style.
Upgrade Your RZR Suspension
Upgrade your Polaris RZR XP Turbo 4-seat suspension with the SDI Dual Rate Shock Spring Kit to improve ride comfort, suspension control, and off-road performance.
Shop performance suspension upgrades today at Dunes 2 Dezert SXS.
