KWI UltraShift XP Billet Primary Clutch for Polaris RZR XP Models

ORDER LEAD TIME: 5 DAYS

The KWI UltraShift XP Billet Primary Clutch is a high-performance clutch upgrade engineered to deliver maximum durability, improved power transfer, and significantly lower belt temperatures for Polaris RZR XP platforms. Built from aerospace-grade billet materials and featuring KWI’s Groovix cooling technology, this clutch is designed to reduce belt failures, restore lost horsepower, and keep your drivetrain performing under extreme conditions.

Specifically developed for Polaris RZR PRO XP, Turbo S, and Turbo R models, the UltraShift XP provides consistent clutch engagement and efficient cooling for aggressive riding environments. Whether you're racing, pushing dunes, or riding technical trails, this clutch keeps belt temperatures down while maintaining strong, reliable power delivery.

Key Features

• Billet primary clutch upgrade for Polaris RZR XP models
• Built from aerospace-grade billet materials
• Integrated KWI Groovix Cooling Technology
• Helps reduce belt temperatures and failures
• Improves power transfer and throttle response
• Designed for high horsepower and aggressive riding
• Provides consistent clutch engagement and performance
• Built for extreme off-road environments

Performance Benefits

Groovix Cooling Technology

KWI’s patent-pending Groovix cooling system improves airflow around the clutch assembly, helping to reduce heat buildup and extend belt life.

Benefits include:

• Lower belt temperatures
• Reduced belt failures
• Improved clutch efficiency

Stronger Billet Construction

The UltraShift XP is machined from high-strength aerospace-grade billet materials, making it far more durable than factory clutch components.

This provides:

• Increased clutch durability
• Improved drivetrain reliability
• Consistent performance under heavy load

Consistent Power Delivery

With improved clutch calibration and cooling, the UltraShift XP delivers:

• Smoother engagement
• Improved throttle response
• More efficient power transfer

What’s Included

• KWI UltraShift XP Billet Primary Clutch

Fitment

Compatible with the following Polaris RZR models:

• 2020+ Polaris RZR PRO XP
• 2020+ Polaris RZR PRO XP4
• 2021+ Polaris RZR Turbo S
• 2021+ Polaris RZR Turbo S4
• 2022+ Polaris RZR Turbo R
• 2022+ Polaris RZR Turbo R4

Belt Selection (Sold Separately)

Recommended belt:

• Gates 49R4313 CVT Belt

Additional Spring & Weight Options (Sold Separately)

KWI Adjustable Weights

Available as:

• Single
• Pair
• Set of 3 (depending on horsepower and setup)

Primary Springs

Available engagement options:

• 2800 RPM
• 3300 RPM

Clutch Puller (Sold Separately)

Installation requires the OEM Polaris PRO-style clutch puller used on:

• RZR PRO XP
• RZR Turbo R
• RZR PRO R

Specialty Tools Available (Sold Separately)

• Voorhees Vise Holding Tool
• Base Holding Fixture

FAQ

What makes the UltraShift XP better than the stock clutch?

The UltraShift XP features billet construction and Groovix cooling technology, which improves durability, reduces belt heat, and increases drivetrain efficiency.

Will this help reduce belt failures?

Yes. Improved airflow and clutch strength help lower belt temperatures and reduce the chance of belt failure.

Can this clutch be tuned?

Yes. The UltraShift XP supports adjustable weights and multiple spring options to dial in performance for your specific riding conditions.

Is this clutch good for high-horsepower builds?

Yes. It’s designed to handle high heat, aggressive riding, and higher horsepower setups.

Upgrade Your RZR XP Clutch Performance

Take your machine to the next level with the KWI UltraShift XP Billet Primary Clutch. Order today from Dunes 2 Dezert SXS and experience stronger power delivery, cooler belt temperatures, and unmatched clutch durability.