Don't let your turbocharged RZR leave power on the table. The Aftermarket Assassins Stage 4 Clutch Kit is meticulously engineered to replace your stock primary and optimize your secondary clutch, unlocking astonishing acceleration, significantly cooler belt temperatures, and a thrilling throttle response that transforms your riding experience. Enjoy easy adjustability to perfectly tune the kit to your unique riding style and machine setup.
Stage 4
Performance Level
2016-2020
Model Year Fitment
Reduced
Belt Heat
Adjustable
Tune to Your Ride
✓Aftermarket Primary Clutch
High-performance replacement primary
✓Optimized Secondary Clutch
Paired OEM-compatible secondary
✓Adjustable Clutch Weights
Fine-tune engagement RPM
✓Primary & Secondary Springs
Matched for Stage 4 performance
✓Primary Limiter
Controls max RPM engagement
✓Custom Helix
Optimized backshift for your terrain
✓Detailed Installation Instructions
Step-by-step guide included
Why Riders Upgrade
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Maximum Power Transfer The Stage 4 setup is engineered to put every horsepower your turbo makes to the ground — no slipping, no wasted energy.
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Cooler Belt Temps Especially critical if you're running larger tires or paddles — reduced heat means longer belt life and fewer trailside breakdowns.
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Instant Throttle Response Feel the difference the moment you hit the gas. Crisp, immediate engagement that stock clutching simply can't match.
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Adjustable for Your Setup Running stock tires or 35s? Trails or dunes? The adjustable weights let you dial in engagement to match your exact build.
In Stock & Ready To Ship
Processing Processed & shipped within 2–3 business days
Tracking Sent when your order ships
Confirmation Sent immediately after purchase
Although rare, some delays may occur. We’ll keep you updated every step of the way.
Stage 4 Kit vs. Stock Clutching
STOCK CLUTCHING
✗ Fixed engagement — no adjustability ✗ High belt temps under load ✗ Sluggish throttle response ✗ Power loss with larger tires ✗ Faster belt & clutch wear
⚡ AA STAGE 4 KIT
✓Fully adjustable weights & springs ✓Significantly cooler belt temps ✓Instant, crisp throttle response ✓Optimized for big tires & paddles ✓Extended belt & clutch life
What Riders Say
This clutch kit completely transformed my RZR Turbo. The acceleration is insane and the adjustments are a breeze — night and day difference from stock.
— Jake M., Utah
No more belt slipping on the dunes. Throttle response is crisp and belt temps dropped noticeably. Worth every penny.
— Travis R., Nevada
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Secure Checkout
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Tracked Shipping
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Quality Guaranteed
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Customer Favorite
Ready to Unlock Your RZR Turbo's Full Potential?
The Stage 4 Clutch Kit is the single biggest performance upgrade you can make to your 2016–2020 RZR Turbo or Turbo S.
Also building out your suspension? Check out the Turbo S Tender Spring Kit to complete your build.
Vehicle Fitment
Polaris RZR Pro XP — 2016-2020
Polaris RZR Pro XP 4 — 2016-2020
Polaris RZR XP Turbo S — 2018-2020
Polaris RZR XP Turbo S 4 — 2018-2020
