SKU: 84025119882

2021-Up RZR Pro XP S4 Clutch Kit with AA Heavy Duty Primary & Secondary **1-3 Day Lead Time** | 116-1010

Sale price$762.75 Regular price$847.50
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Ships within 48 hours · Estimated delivery Jul 28 - Aug 2

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Description

2021-Up RZR Pro XP S4 Clutch Kit with AA Heavy Duty Primary & Secondary **1-3 Day Lead Time** | 116-1010Fits 2021 Up RZR Pro XP Models 2 and 4 seat **DOES NOT FIT 2020 Models** Kits are build to order with a 1 3 day lead time From trail rigs to high horsepower, this is the only clutch we will run on our shop vehicles Works on stock vehicles all the way to our 330 crank HP big turbo setup This kit includes our complete heavy duty AA primary clutch. This clutch is the same design found on the 2016 2020 RZR Turbo models with an encapsulated tower design.

Fits 2021-Up RZR Pro XP Models 2 and 4 seat **DOES NOT FIT 2020 Models** Kits are build to order with a 1-3 day lead time From trail rigs to high horsepower, this is the only clutch we will run on our shop vehicles Works on stock vehicles all the way to our 330 crank HP big turbo setup This kit includes our complete heavy duty AA primary clutch. This clutch is the same design found on the 2016-2020 RZR Turbo models with an encapsulated tower design. We found this clutch to hold power better, hold up better (no exploding), and slip the belt less. It simply meets the demands of these high horsepower vehicles, and is proven. This clutch also holds belt grip better than billet clutches, especially when clutching for higher RPM. This primary clutch is our own version made with higher grade tool steel for the post, assembled with AA HD sliders , to our AA specifications. With this clutch you'll notice better power transfer (better acceleration) and lower belt temps than your OEM P90X clutch or any other aftermarket clutch Kit Includes: AA Primary Clutch, Primary Bolt, AA magnetic adjustable clutch weights, weight setup sheet, AA primary spring, custom Primary Limiter, replacement factory secondary clutch, AA Helix, AA secondary spring, and now includes AA Extreme Heavy Duty primary sliders and AA HD secondary rollers (comes installed in clutch). Clutch does not come assembled. Simply setup your weights according to our setup chart, then install the weights & Spring. Otherwise we have the +$25 option to have us assemble the primary clutch for you, as long as you let us know what engine modifications and tire size/type. Great article to read about your P90X Clutches and common issues: https://aftermarketassassins.com/tech-blog/f/2020-rzr-pro-xp-clutch-issues# Our S4 Recoil Clutch Kits (S3 kit with replacement secondary) pack a huge punch!  No matter the terrain, they hit hard and just keep pulling for days.  On the trail or at the race you'll notice wicked acceleration and instant clutch response when getting back into the throttle after hammering that corner.  In the dunes you'll see the same benefits, but also have much less bogging when climbing that big dune.  The machine will hold RPM so you can get where you need to go, and get there faster!  Going mudding?  Our mud setup will help turn those tires through the thick and deep with much better RPM and wheel speed that's key to climbing out of that hole. We have a huge amount of CVT knowledge, a great passion for the sport, and have many hours into testing different setups in the real world.  We know you'll be extremely pleased with the performance gain from our clutch kits!   The biggest problem with Pro XP clutching is they do not have enough belt grip. When the first Pro XP models arrived they had a soft secondary spring that slipped the belt under full shift. They were then fitted with a stiffer secondary spring and now the problem is they rev too high for good belt grip with that spring. Our S2 kits help combat this with a stiffer secondary spring yet for even better belt grip, and the right primary weight/spring to get proper RPM. Our S3 clutch kit includes everything the S2 does, but adds the helix. The helix adds more aggressive shift to the secondary clutch which gives you a great acceleration gains and feels more like your throttle is locked to the rear wheels. Kits work great with both stock or modified machines Works well with tire sizes 28" to 35" and paddles 28" to 32" A must-have when tuning your Pro XP to properly transfer the power to the wheels and prevent even more belt slip A must-have when running larger tires or paddles Wicked throttle response when on & off the throttle More efficient power transferred to the wheels More consistent clutch performance Cooler running belt temps (especially when running larger tires or paddles!) Longer belt and clutch life Easily adjustable if needed Slightly higher engagement which is still very smooth (around 1800-2000 RPM) Our Recoil clutch weights are easily adjustable with simple magnets.  They have a custom AA profile, the BEST coating on the market (nitrocarburizing) which has increased wear resistance, improved fatigue strength, and added surface lubricity. These clutch weights also offer great performance and the ability to tune for many different applications or modification in the future, all without the need to buy extra parts.  The magnetic weights are the best option to properly place the mass where we need it on the weight for best performance for your application. An initial setup guideline (normally very accurate) is included which shows the best setups for dunes, mud, or all around trail riding. This also has brief instructions on installing your clutch kit, and other important information.   Helix features a tighter roller & EBS pocket for less clutch slop (clunk) and less chance of rollers breaking Performance Helix 107-1065:    Aggressive helix with acceleration/higher horsepower/aggressive fast pace drivers in mind. Pro XP 2 Seat : Works well with 30-33" Dirt Tires, 30-32" dune paddles Pro XP 4 Seat : Works well with 30-32" Dirt Tires, 28-30" dune paddles High Load Helix 107-1062:    Slightly less aggressive than the 1065 helix with good acceleration gains/power transfer over the OEM helix.  Designed for a heavier vehicle, heavier tires, heavy sand load or crawling type riding in mind.  Excellent all around helix for any Pro XP! Pro XP 2 Seat: Works well with 30-35" Dirt Tires, 30-32" dune paddles Pro XP 4 Seat: Works well with 30-33" Dirt Tires, 28-32" dune paddles View our installation video HERE  DISCLAIMER/SPECIAL NOTES ABOUT THIS CLUTCH : This clutch is louder at idle as these clutches have a loose spider/slider tolerance until engine RPM ramps up. This clutch is tight under the cover and MAY slightly contact the plastic at idle, making a few wear marks (extremely uncommon, but we have seen it due to cover variances). The primary bolt has a turned down (shortened) head to clear under the cover. This is easier to strip, so use care when tightening and make sure you use an 18mm 6 point socket . If dissembling the clutch, the 6 spring cover button head Allen bolts are also easy to strip if you use the wrong size (or standard), they are a 4mm . Clutch Puller Note: You will need the P90X specific clutch puller to remove your OEM clutch. The AA clutch coming in this kit uses the standard XPT/XP 1000 primary clutch puller. Special tools needed Compression Tool #1, P90X Clutch Puller Have alignment issues? Use our P90X Secondary Clutch Alignment Shim Kit to set things straight Highly recommend upgrading to our Heavy Duty P90X Secondary Clutch Rollers . Kit Part number: 116-1010 Part number: 108-1005 - Compression Tool #1 Part number: 108-1019 - P90X Clutch Puller

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 84025119882

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4.6 ★★★★★
Based on 16 reviews
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L
Verified Purchase
lynn
New York, US
★★★★★ 5
Replacement
Color: Black
Great product!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 17, 2026
W
Verified Purchase
Wendy K
Battle Creek, US
★★★★★ 5
A Little Color Chaos, but My Teeth Don’t Mind
Color: Lavender
I grabbed these BURST replacement heads thinking they’d match my toothbrush perfectly — turns out, I’ve created a stylish little mix-and-match masterpiece. My brush now looks like it’s dressed for a rave, but honestly, I kind of love it. Despite the color confusion, these heads work great. They snap on easily, feel sturdy, and leave my teeth feeling squeaky clean like I just left the dentist (minus the awkward small talk). they may not match, but they definitely make my smile shine.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 23, 2026
S
Verified Purchase
S. A.
Lowell, US
★★★★★ 4
UPDATE:Replacement brush DOES NOT FIT well! Customer service difficulties.
Color: Rose Gold
I bought a burst toothbrush about seven month ago from Amazon for $99. (Now they are about $70). I subscribed to the burst website so I could have my toothbrush unit under warranty. I’ve been receiving replacement heads from them directly which is slow and spotty. But they did arrive (I replace the heads every two to three months). This week I received my brush head and it did NOT fit the unit. I emailed the company directly and still have not heard what they are going to do. In the meantime I ordered the three pack replacement heads from Amazon since they are quick and reliable on prompt delivery. So again- opened it up and it BARELY FIT. I had to jamb the head onto the unit. I’m honestly not sure if it will come off again. I guess I’ll figure that out in three more months 🤨. The Burst seems like a decent toothbrush- although my hygenist wasn’t sure it’s as good as oralB or sonicare. I frankly got tired of sonicare breaking very quickly and the last one was $200! That’s why I switched. I hope they will resolve this manufacturing problem. I like the unit, it’s gentle on my sensitive gums and it holds a charge a really long time. And to be clear I ordered the BURST heads, not the knockoffs from China. I hope I can continue to be a customer. The prior replacement heads have always worked and went on easily. UPDATE: customer service reached out to me - which I truly appreciate!! After using the head for a few weeks it loosened up (in a good way). Not sure why it was too tight initially- but it’s all good now. I will continue to support Burst 💥 oral care. I added a star ⭐️ to my prior review to reflect the good customer service. They also replaced my first defective head that got me started on this “rant”.
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Reviewed in the United States on April 12, 2023
A
Verified Purchase
Aidia Lynn
San Leandro, US
★★★★★ 5
Improves oral hygiene!
Color: Black
Works great with my Burst toothbrush! Replacing the brush heads is so much easier than purchasing a new toothbrush. I’ve definitely noticed an improvement in my oral hygiene since switching to the Burst products.
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Reviewed in the United States on April 9, 2026
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Verified Purchase
BubbleGum
Alexandria, US
★★★★★ 5
FAST SHIPPING
Color: Black
they brush my teeth fine. They don't brush my tongue the greatest but i use a regular toothbrush for that. It cleans my gums and teeth very well much better then a toothbrush does. The battery last SOOO long.... months! Fast shipping
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Reviewed in the United States on April 28, 2026

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