Polaris Sportsman 550 Mud Clutch Kit for 28+ Inch Tires – Low Elevation Performance Upgrade
Take your ATV’s mud performance to the next level with the EPI Performance WE437028 Mudder Clutch Kit, specifically designed for 2011–2014 Polaris Sportsman 550 EFI 4×4 models running 28+ inch tires. Built for low elevation riding (0–3000 feet), this heavy-duty clutch kit restores lost power and improves drivability when tackling deep mud and demanding terrain.
Oversized tires can significantly reduce your ATV’s torque and responsiveness, especially in mud conditions. This precision-engineered clutch kit recalibrates your CVT system to compensate for increased rotational mass, allowing your machine to turn larger tires more easily while delivering stronger low-end performance and smoother throttle response.
Key Features
- Designed for 28+ inch tires – optimized for oversized mud tire setups
- Low elevation tuning (0–3000 ft) – ideal for most off-road and mud riding environments
- Improved low-end torque – better pulling power in deep mud conditions
- Easier turning of larger tires – reduces strain on drivetrain components
- Quicker backshift – delivers crisp and responsive throttle control
- Reduces belt slip and clutch heat – extends belt life and improves reliability
- Heavy-duty mud performance kit – built for extreme riding and utility use
Technical Specifications
- Brand: EPI Performance
- Part Number: WE437028
- Product Type: Mudder Clutch Kit (CVT)
- Elevation Range: 0–3000 ft
- Tire Compatibility: 28+ inch tires
- Fitment: Polaris Sportsman 550 EFI 4×4 (2011–2014)
- Installation Tools Required: PCP-12 clutch puller, CCT510 clutch compression tool
- Configuration: Components may vary from product images
Compatibility / Applications
This clutch kit is a direct-fit upgrade for the following models:
- Polaris Sportsman 550 EFI 4×4 (2011)
- Polaris Sportsman 550 EFI 4×4 (2012)
- Polaris Sportsman 550 EFI 4×4 (2013)
- Polaris Sportsman 550 EFI 4×4 (2014)
Why Choose This Polaris Sportsman 550 Mud Clutch Kit?
If you ride in deep mud or run oversized tires, your ATV needs more torque and better clutch response to perform efficiently. This EPI Mudder Clutch Kit is specifically engineered to restore lost power, improve traction, and make handling larger tires easier in tough conditions.
With enhanced backshift performance, reduced clutch heat, and improved belt grip, this kit delivers a reliable, professional-grade upgrade for riders who demand maximum performance in mud, trails, and heavy-duty applications.







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