Polaris RZR Pro XP Mud Clutch Kit for 30+ Tires Low Elevation (EPI WE437637)
Take on deep mud and extreme terrain with confidence using the EPI Performance WE437637 Mudder Clutch Kit, specifically designed for 2020–2024 Polaris RZR Pro XP and Pro XP4 models running 30+ inch tires. Engineered for low elevation (0–3,000 ft), this heavy-duty clutch kit restores lost power and improves drivability when running oversized mud tires.
Larger, heavier tires can significantly reduce your machine’s performance, especially in muddy conditions where resistance is high. This mud-specific clutch kit is tuned to deliver stronger low-end torque, making it easier to turn large tires and maintain momentum through thick mud and challenging terrain.
Key Features
- Designed for 30+” Tires: Optimized for oversized mud tires to restore lost performance.
- Low Elevation Tuning: Engineered for 0–3,000 ft riding conditions.
- Mud-Specific Performance: Improves drivability and makes turning large tires easier in deep mud.
- Enhanced Low-End Torque: Delivers stronger pulling power for demanding off-road conditions.
- Quicker Backshift: Provides crisp throttle response and better control.
- Reduced Belt Slip: Increases efficiency and minimizes wear on the CVT system.
- Lower Clutch Heat: Helps extend belt life and maintain consistent performance.
Technical Specifications
- Brand: EPI Performance
- Part Number: WE437637
- Vehicle Compatibility: 2020–2024 Polaris RZR Pro XP / Pro XP4
- Tire Compatibility: 30+ inch tires
- Elevation Range: 0–3,000 ft
- Kit Type: Mudder Clutch Kit
- Installation Tools Required: PCP-24 Clutch Puller, CCT510 Clutch Compression Tool, SCP2 Belt Removal Tool
Compatibility & Applications
This clutch kit is specifically built for Polaris RZR Pro XP models equipped with oversized mud tires and used in extreme off-road conditions. Ideal for:
- Deep mud riding and bogging
- Trail riding with heavy terrain resistance
- Riders upgrading to 30+” tires
- Off-road enthusiasts seeking improved torque and control
Why Choose This Clutch Kit?
The EPI WE437637 Mudder Clutch Kit is a precision-engineered upgrade designed to handle the toughest mud riding conditions. It restores lost power from larger tires while improving low-end torque and throttle response, allowing your machine to perform at its best in high-resistance environments.
With reduced belt slip, lower clutch heat, and enhanced durability, this kit ensures reliable, long-lasting performance. It’s the perfect solution for riders who demand maximum traction, power, and control in mud-focused applications.
Note: Clutch kit components may vary slightly from product images.








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