SDI Dual Rate Shock Spring Kit for Polaris RZR Turbo S Velocity 4
Product Description
The SDI dual rate shock spring kit for Polaris RZR Turbo S Velocity 4 is engineered to improve suspension performance, stability, and ride quality. 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 spring systems allow the suspension to absorb smaller bumps smoothly while providing additional support during larger impacts. This results in improved ride comfort and better suspension control across rough terrain.
The SDI spring kit significantly reduces body roll, nose dive (bucking), and harsh bottom-outs (G-outs), helping your RZR maintain better balance during aggressive driving across dunes, desert terrain, and technical trails.
Each kit includes durable motocross-inspired crossover rings designed for easy installation and adjustment. These rings allow riders to fine-tune when the secondary spring engages, making it easier to dial in suspension performance for different riding conditions.
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 Turbo S Velocity 4
Part Number: UDCSKP-TSV4
Frequently Asked Questions
What does a dual-rate spring setup do?
Dual-rate springs combine a softer initial spring with a firmer secondary spring to improve ride comfort while providing additional support during larger suspension impacts.
Will this improve ride quality?
Yes. Dual-rate spring systems help smooth rough terrain while improving suspension stability and vehicle control.
Are the springs adjustable?
Yes. The included crossover rings allow you to adjust when the secondary spring engages depending on terrain or riding style.
Are these springs durable for aggressive riding?
Yes. SDI springs are manufactured using high-quality materials designed for demanding off-road environments.
Upgrade Your Turbo S Suspension
Upgrade your Polaris RZR Turbo S Velocity 4 suspension with the SDI Dual Rate Shock Spring Kit to improve ride comfort, control, and suspension performance.
Shop performance suspension upgrades today at Dunes 2 Dezert SXS.
