Polaris RZR 900 S Sport Utility Clutch Kit for Stock Tires (0–3000 ft)
The EPI Performance WE437409 Low Elevation Sport Utility Clutch Kit is engineered specifically for Polaris RZR 900 S models running stock tires at elevations between 0–3000 feet. Designed as EPI’s best all-around use kit, this precision-calibrated clutch upgrade enhances throttle response, strengthens acceleration, and improves belt durability for both recreational and work applications.
Factory clutch calibration is designed for general riding conditions. However, trail riding, occasional mud and sand use, plowing, and hauling place additional load on your CVT system. This sport utility clutch kit optimizes engagement and shift timing to deliver stronger low-end torque, improved midrange power, and faster backshift response under load.
Key Features
- Designed for Stock Tires: Optimized for factory tire size and drivetrain configuration.
- Low Elevation Calibration (0–3000 ft): Tuned for maximum efficiency and power delivery at lower altitudes.
- Best All-Around Utility Kit: Ideal for trail riding, light mud and sand, plowing, and hauling.
- Improved Low-End & Midrange Acceleration: Stronger launch and smoother power throughout the RPM range.
- Quicker Backshift: Provides crisp throttle engagement during acceleration changes.
- Reduces Belt Slip & Clutch Heat: Extends belt life and enhances CVT durability.
Technical Specifications
- Brand: EPI Performance
- Part Number: WE437409
- Vehicle Fitment: Polaris RZR 900 S Models
- Tire Compatibility: Stock tires
- Elevation Range: 0–3000 feet
- Application: Trail riding, mud, sand, plowing, hauling
- Additional Tools Required:
- All Years: PCP-8 clutch puller
- 2016 Models: CCT510 clutch compression tool
- 2017+ Models: CCT520 clutch compression tool
- Note: Clutch kit components may vary from product photo
Compatibility & Application
This clutch kit is designed for Polaris RZR 900 S models operating at low elevation with factory tire size. It restores performance balance and improves drivability for riders who rely on their machine for both recreation and demanding utility tasks.
Why Choose This Sport Utility Clutch Kit?
Proper clutch calibration ensures your RZR operates in its optimal power band under load. Without it, you may experience sluggish acceleration and increased belt wear. This professionally engineered clutch kit improves power transfer, enhances throttle response, and reduces drivetrain heat for consistent, reliable performance.
For RZR 900 S owners seeking a dependable all-around performance upgrade, this low elevation sport utility clutch kit delivers stronger torque, quicker response, and long-term durability.








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