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DuraClutch Clutch Kits for Polaris UTV

DuraClutch builds one thing: the best aftermarket CVT clutch system available for Polaris UTVs. Not the cheapest, not a tuning kit for the stock clutch — a complete replacement primary and secondary system engineered from the ground up by a team that has been designing Polaris powertrain components since the Ranger, Sportsman, and RZR were created. Based in Nisswa, Minnesota and 100% designed, developed, tested, and supported in the USA, DuraClutch serves the full Polaris performance and utility lineup: Ranger XP 1000 and Crew (MY18–26, including all Northstar variants), Ranger 1000 SOHC, Ranger 900 (MY14–19), Ranger 570 (Midsize and Fullsize), Ranger 700/800, Ranger Diesel, Pro XD Commercial, Xpedition (MY24–26 all models), General (MY16–26 all models), RZR XP 1000 (MY16–26), RZR S 1000, RZR 900, Sportsman ATVs (select models), ACE 900, Bobcat UV34, and Gravely Atlas JSV 3400 — and DuraClutch even supplies the U.S. military's MRZR program, which says everything about the durability standard these clutches are engineered to meet. If it runs a Polaris CVT, there is likely a DuraClutch kit for it. Every complete kit ships free to the lower 48 states, includes a DuraBelt, and carries DuraClutch's industry-leading warranty: if the belt blows in the first year, they replace it free.

Side by Side Source knows the DuraClutch product line, the fitment details, and how to match the right kit calibration to your machine's tire size and elevation. It helps that the brand is built the same way: DuraClutch is made by Specialty Vehicles International (SVI), and the team members who answer their support line are actual test riders who run these clutches on their own machines. The most common mistake we see is Ranger XP 1000 owners ordering the Stock calibration when their machine runs 31"+ tires or is used above 5,000 feet — the wrong calibration means the clutch engages at the wrong RPM and belt wear accelerates. If you're unsure of your setup, DuraClutch's VIN search and transmission number lookup tools at duraclutch.com will identify your exact application, or text or call us at (920) 644-5280 / (414) 219-0509 before you order and we'll get you the right kit the first time.

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The DuraClutch System — How It Works and Why It's Different

The stock Polaris CVT primary is a flyweight-engaged design: as RPM rises, flyweights force the sheaves together and the belt begins to drive. The weakness is at engagement — for a moment at every launch, the belt is squeezed between sheave faces that aren't yet at full pinch pressure, causing surface scrubbing, and flyweight engagement is inherently harsh. That scrubbing is brief but cumulative, and over thousands of launches it's what degrades belts. DuraClutch's architecture works differently: centrifugal clutches on the sheave faces act as the overrunning device between the shaft and the sheaves, which means constant belt pinch is maintained at all times — there is no initial scrubbing when the CVT starts shifting. In an overload condition at low-to-mid shift positions, the clutch slips before the belt does, protecting it from damage; at mid-to-high positions the system locks fully with zero performance loss at wide-open throttle. And because a one-way overrunning clutch rides on the main shaft, deceleration back-drives the crankshaft — giving the vehicle true engine braking on downhill terrain, using the engine's compression instead of your brake pads.

The RXL (large-diameter, for Ranger XP 1000 and Xpedition) delivers more than double the belt pinch force of stock and drops operating RPM for a more fuel-efficient, smoother-feeling drive. The RXS (standard diameter, for 1000cc SOHC Ranger, General, and RZR 1000) brings the same sealed roller technology to those platforms. The RXS R-Series (small-diameter sealed roller) covers the 900cc and smaller applications — Ranger 900, RZR 900, Ranger 570, and others. All three lines are fully tunable via flyweights and compression spring, and all three are sized to fit existing Polaris clutch covers without modification.

Product Lines and Price Ranges

  • RXL by DuraClutch (from $1,197) — Large-diameter sealed roller — six internal rollers, sealed shift cavity. Ranger XP 1000 (MY18–26 all variants), Xpedition (MY24–26), RZR XP 1000 (MY24–26), Pro XD Diesel, Bobcat Diesel. Full PS kits (primary + secondary + DuraBelt) at $1,597. Primary-only P kits (for owners keeping their existing secondary) at $1,197. Four calibrations: Stock, L1, L2, L3 for tire size and elevation. Per DuraClutch's testing, the lower operating RPM can improve fuel mileage by up to 32%.
  • RXS by DuraClutch (from $1,297) — Standard-diameter sealed roller. Ranger 1000 SOHC ($1,497), General ($1,497), Ranger Titan XP 1000 ($1,497), RZR XP 1000 MY16–23 ($1,497), Ranger Diesel Kohler ($1,297). Includes TEAM Tied Secondary and DuraBelt in every kit.
  • RXS R-Series by DuraClutch (from $1,297) — Small-diameter sealed roller clutch for 900cc and smaller machines. Ranger 900 (MY14–19), Ranger 570 Fullsize and Midsize (most applications), Ranger 700/800, RZR 900 (MY16–26), RZR 570, RZR 800, ACE 900.
  • DuraBelt ($127.99–$197.99) — Replacement belts for all kit lines. OEM replacement belts also available for riders not yet on a DuraClutch kit ($157.99–$197.99 for Ranger, RZR, and Xpedition applications).
  • Accessories ($7.99–$308) — Clutch blowers for Ranger, RZR, General, and Xpedition models ($193–$268), General primary and secondary intake filters ($26.99–$27.99), belt temperature gauges ($308), clutch pullers, torque holding tools, and secondary compression tools.

Top DuraClutch Products at Side by Side Source

  • Northstar Ranger XP 1000 Full Clutch Upgrade (15-616 series): The #1 selling DuraClutch kit — MY22–26 Northstar Ranger XP 1000 and Crew, 27"–30" tires at 0–5,000'. The kit most Northstar owners should order unless they're running bigger tires or riding above 5,000'.
  • General RXS Complete Clutch Kit (15-627 series): MY16–26 General all models, 27"–30" tires at 0–5,000'. The standard starting kit for General owners at lower elevation on stock or near-stock tires.
  • RZR XP 1000 RXL Clutch Kit (15-640 series): The new RXL for MY24–26 RZR XP 1000. 29"–32" tires at 0–5,000'. The kit that brings sealed roller technology to the newest RZR XP 1000 generation.
  • RZR 900 / ACE 900 R-Series Kit (15-568): MY16–26 RZR 900 and ACE 900 EPS XC. The original DuraClutch engineering delivers the same belt-life and engagement improvement on 900cc RZR platforms.
  • RZR XP 1000 / XP 4 1000 RXS Primary Clutch (15-630 series): The MY14–15 RZR XP 1000 application — sealed roller primary for the first-generation XP 1000 platform.
  • General Clutch Intake Filters: Primary ($26.99) and secondary ($27.99) intake filters for MY16–26 General. Simple maintenance upgrade that keeps dust and debris out of the clutch housing — one of the most effective ways to extend clutch life on dusty trails.

Frequently Asked Questions

Q: What's the difference between the RXL, RXS, and RXS R-Series? Which do I need?
A: Platform and displacement drive the choice. The RXL is DuraClutch's newest, largest-diameter sealed roller clutch — built for the Ranger XP 1000 (MY18–26), Xpedition (MY24–26), and the newest RZR XP 1000 (MY24–26). The RXS is the standard-diameter sealed roller clutch — built for 1000cc platforms that use a different clutch housing than the XP 1000 (Ranger 1000 SOHC, General, RZR XP 1000 MY16–23, Ranger Diesel). The RXS R-Series is the small-diameter sealed roller line for 900cc and smaller machines (Ranger 900, RZR 900, Ranger 570, ACE) — tuned specifically to make smaller-displacement machines run smoother and last longer. If you know your platform, the product lines map cleanly; if not, text us at (920) 644-5280 with your year, model, and trans# and we'll point you to the right line.

Q: I want to upgrade but I'm not sure I need a full kit — can I just replace the primary?
A: DuraClutch makes primary-only kits (P suffix) for some platforms, notably the Northstar Ranger XP 1000 (15-605 series, $1,197). These are designed for owners who want to keep their existing secondary clutch. However, DuraClutch strongly recommends the full PS kit for most buyers — the included TEAM Tied Secondary is matched to the DuraClutch primary's engagement curve, and the combined system is what delivers the full improvement in belt life and engagement feel. If you already have a DuraClutch secondary from a previous kit, a primary-only kit may be appropriate — text us to confirm.

Q: Are DuraClutch kits worth the price compared to just buying a better belt?
A: A DuraClutch kit and a better belt solve different problems. A better belt (including DuraBelt) is more durable than OEM and will last longer under the same clutch conditions. But it doesn't change the engagement behavior — the initial scrubbing still happens, just on a tougher belt. The DuraClutch primary eliminates the scrubbing mechanism entirely, which is why most customers report the belt that comes in the kit lasts far longer than even premium belts did with their stock clutch. If your machine is a primary daily driver or a working UTV in demanding conditions, the kit pays for itself in reduced belt consumption and reduced downtime.

Q: How does DuraClutch's warranty work?
A: DuraClutch provides a 1-year limited warranty on the primary clutch, secondary clutch, and belt from date of purchase. This warranty is separate from the Polaris vehicle warranty and covers defects in materials and workmanship. It does not cover improper installation, oversized tires without gear reduction compensation, water damage, abnormal dust conditions without filtration, or use of a non-DuraClutch belt. The most notable warranty feature is the belt replacement guarantee: if the DuraBelt included in your kit fails within the first year under normal use, DuraClutch replaces it at no charge. Side by Side Source also offers extended 1- and 2-year warranties on DuraClutch products, available to add at checkout.

Written and reviewed by the Side by Side Source fitment and marketing team — riders and product specialists who work with these machines daily. Spot an error, or have a suggestion? Email us at marketing@gearup2go.com — we read every note. | Last updated: July 2026