EPI High Elevation Sport Utility Clutch Kit for 2007 Polaris Sportsman 500 EFI – 27–28” Tires (Standard EBS)
Restore power and throttle response at altitude with the EPI Performance High Elevation Sport Utility Clutch Kit for the 2007 Polaris Sportsman 500 EFI. Specifically engineered for machines running 27–28 inch tires at elevations between 3,000–6,000 feet, this precision CVT tuning kit compensates for both altitude-related horsepower loss and oversized tire load.
Larger 27–28” tires increase rotating mass and drivetrain resistance, while higher elevations reduce engine output due to thinner air. Without proper clutch recalibration, acceleration and responsiveness can suffer. This EPI clutch kit maintains optimal RPM under load, delivering stronger low-end torque and smoother midrange acceleration in demanding conditions.
Fitment Note: ONLY compatible with models equipped with Standard EBS. Not designed for models equipped with Deluxe EBS.
Key Features
- Designed for 27–28” Tires – Optimized to offset performance loss from oversized tires.
- High Elevation Setup (3,000–6,000 ft) – Tuned for mountain riding conditions.
- Best All-Around Use Kit – Ideal for recreation and utility applications.
- Restores Lost Power – Compensates for altitude and added tire weight.
- Improved Low-End Acceleration – Stronger takeoff torque at elevation.
- Enhanced Midrange Performance – Better throttle response across the power band.
- Quicker Backshift – Crisp engagement during terrain changes.
- Reduced Belt Slip – Minimizes clutch heat and extends belt life.
Technical Specifications
- Brand: EPI Performance
- Vehicle Fitment: 2007 Polaris Sportsman 500 EFI (Standard EBS only)
- Elevation Range: 3,000–6,000 feet
- Tire Compatibility: 27–28 inch tires
- Application Type: Sport utility / mixed terrain use
- Compatibility: Not compatible with Deluxe EBS models
- Note: Clutch kit components may vary from photo
Ideal Applications
- Mountain trail riding
- Occasional mud riding
- Light sand riding
- Snow plowing
- Hauling and work-related tasks
Why Upgrade for 27–28” Tires at Elevation?
Running larger tires at 3,000–6,000 feet without recalibrating your clutch system can significantly reduce acceleration and drivability. The EPI High Elevation Sport Utility Clutch Kit restores performance by maintaining proper operating RPM and improving torque transfer efficiency under load.
The result is stronger acceleration, smoother engagement, cooler clutch operation, and improved long-term durability — making it an essential upgrade for Sportsman 500 EFI riders using oversized tires in mountainous terrain.






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