Turbo S Upper Radius Rods

The Lone Star Racing STS Upper Radius Rod Kit for the Polaris RZR Turbo S is a heavy-duty upgrade designed to replace the weak OEM upper radius rods with a stronger, more reliable, and fully adjustable solution.

Constructed from USA-made 4130 chromoly steel, these upper radius rods are built to withstand aggressive riding, high-speed impacts, and race-level abuse. Each rod uses durable 5/8" rod ends, providing improved articulation, strength, and long-term serviceability compared to factory components.

Designed to fit stock-width Turbo S models, this kit installs as a direct replacement and allows for precise suspension adjustments to maintain proper alignment and handling under demanding conditions.

Whether you’re trail riding, desert racing, or simply eliminating known OEM weak points, this upper radius rod kit delivers proven performance and durability.

🛠️ Key Features & Benefits

• Stronger replacement for OEM upper radius rods
• Fully adjustable for proper alignment and suspension tuning
• Built to handle aggressive off-road use
• Improves rear suspension strength and reliability
• Direct bolt-on installation

🔩 Construction & Materials

• Manufactured from 4130 chromoly steel
• Heavy-duty 5/8" rod ends
• TIG welded for superior strength
• Corrosion-resistant finish

📦 What’s Included

• (2) Upper radius rods
• Pre-installed rod ends
• Required mounting hardware

🚙 Vehicle Fitment

• Polaris RZR Turbo S
• Fits stock width models

⚠️ Installation Notes

• Direct replacement for factory upper radius rods
• Professional alignment recommended after installation
• Designed to retain factory geometry while improving strength

🏁 Why Choose Lone Star Racing?

Lone Star Racing suspension components are race tested and built in the USA to survive the harshest off-road environments. The Turbo S STS Upper Radius Rod Kit delivers dependable strength, adjustability, and confidence—whether you’re pushing race pace or exploring rugged terrain.