Polaris RZR XP 4 Turbo Brake Kit - Rear - Wilwood - Performance Drill - Black - `16-`21. A purpose-built rear brake upgrade for 2016–2021 RZR XP 4 Turbo models, combining Wilwood engineering with drilled rotors and a durable black finish for a refined trail-ready stop package.

This Wilwood rear kit features 11.25" performance-drilled rotors and components selected to match the RZR XP 4 Turbo rear brake mounting and wheel clearance. The drilled rotor pattern helps with heat dispersion and debris ejection, while the black finish resists corrosion and complements a range of aftermarket looks. Designed for drivers who modify and maintain their machines, this kit provides a direct-replacement rear solution that works with existing brake lines and mounting points for a straightforward installation when paired with compatible hardware.

Features

• 11.25" performance-drilled rotors, black finish
• Wilwood-engineered braking components for rear axle fitment
• Direct-fit application for Polaris RZR XP 4 Turbo model years 2016–2021
• Improved thermal management and consistent pedal feel under load

If you have questions or want guidance on fitment and setup, call us directly — we’re happy to help. We have two locations offering installation and customization services: Austin, Texas and Los Angeles, California area. Call 512-982-9393 (TX) or 562-981-6800 (CA) for details or to schedule installation. If you’re considering multiple items, contact us for shipping discounts. We install on premises at both locations.

CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov