SDI Dual Rate Shock Spring Kit RZR Turbo S Velocity 4SDI 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

What size hole is included

Whether racing or exploring

its engineered tread design and heat-resistant compound deliver superior control and longevity

and tight mounting locations

🔥 Upgrade your Polaris General 4-Seat (2017–2024) with the SANDCRAFT Gen 3 Dual Carrier Bearing Kit — the only patented system that eliminates driveline vibration

Tapered plow tabs reduce hang-ups on rocks

or just turning heads in the lot

Install Time: Under 5 minutes

Optional Upgrade: Kenwood NX-1700 Mobile Radio

Due to the custom nature of fabrication

Machines equipped with factory or aftermarket wiper kits

Race-tuned suspension performance