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Description
Aftermarket Assassins 2022-Up Pro R 4 Cylinder Stage 3 (260 HP) Lock & Load KitLock and load your Polaris Pro R 4 cylinder and get ready for some serious kick! The Pro R is an awesome machine, but Polaris left a ton of room for improvement on the table. This simple kit is the best way to wake up your Pro R as it comes with our proven ECU flash. The ECU flash adds some amazing horsepower from low end to high end RPM and really gives your machine that "snap" you're looking for. Our AA Stage 3 clutch kit compliments the tuning
Lock and load your Polaris Pro R 4 cylinder and get ready for some serious kick! The Pro R is an awesome machine, but Polaris left a ton of room for improvement on the table. This simple kit is the best way to wake up your Pro R as it comes with our proven ECU flash. The ECU flash adds some amazing horsepower from low end to high end RPM and really gives your machine that "snap" you're looking for. Our AA Stage 3 clutch kit compliments the tuning perfectly by more efficiently transferring power to the wheels and ridding yourself of the very lazy factory clutching setup and poor belt grip. We finish out the kit with our AA RZR Pro-R full exhaust (head pipe and muffler) and it's just what your machine needs! We set out to produce an exhaust that looks great, sounds great and has adjustable sound levels while producing the most power possible.
Free Shipping to the Lower 48
- Kit includes AA ECU flash for 2022-Up RZR Pro R 4 Cylinder Models **Requires ECU to be sent in for programming** , AA Stage 3 Clutch Kit with primary clutch limiter and butter shift washers, and AA Stainless Full Exhaust (head pipe & muffler).
- Works with all models including ones with Dynamix and/or EVAP models.
- Looking for the best/most badass ECU tuning available for your RZR Pro R? AA's performance tunes are now available to gain horsepower and torque. Through our advanced ECU tuning we are able to modify parameters correctly to gain you the power needed. We are highly experienced in tuning RZRs and this will show.
- The Pro R uses a new Bosch MG1 ECU. Currently no programmers like the PV3 are available and no ETA, so sending your ECU in for a bench flash is the only way to get a great tune.
- Big horsepower gains depending on the level of tune/modifications (see tune descriptions below for more details)
- Much quicker throttle response and power delivery giving a whole new feel to the vehicle
- Throttle by wire limiters disabled
- Fan on/off at 185 degrees Fahrenheit (Stock is 190) which is just above the thermostat opening temp. The progressive fan also ramps up quicker to keep you running cooler than OEM.
- Speed limiter removed in low and high gears (Most will be able to run over 100 MPH!)
- More throttle % in low gear and reverse
- Rev limit at a safe 8800 RPM (stock is 8650). Ideal peak RPM is 8200-8500 with the flash, but 8800 is for ramp up overshoot/top speed.
- AA's wicked timing curve is safe for the fuel used, but we do a much better job of finding timing limits for ramp up/more torque. Many others simply focus on wide open throttle timing/fueling.
- AA's modified fuel curve will still get decent mileage cruising, but is corrected over the factory lean AFR when needed.
- AA muffler is now available with an electronic cutout option to adjust sound on the fly without having to install or remove a quiet cap.
- Included Level 2 Tune: This tune is developed for a Pro R with our aftermarket exhaust on 91-93 octane. It has just a bit more timing and a bit more fuel over our Level 1. This tune adds +22 RWHP peak and a massive +33 RWHP at 38 MPH (This is gaining roughly +40 crank horsepower) putting you at roughly 265 crank horsepower with just a flash and full exhaust! Our included Stage 3 clutch kit with this tune really helps the belt to grip and to help drive the extra power to the wheels.
- If you're unsure if your Pro-R is an EVAP model or not, check your Emissions Control sticker located on the front driver's side frame rail above the master cylinder. See pictures for location.
- More tunes coming soon!
- *** ECU MUST BE SENT IN FOR PROGRAMMING: Aftermarket Assassins, 2348 75th Ave, Osceola, WI 54020 ***
- The ECU is located behind the passenger (rear passenger if 4 seat) seat. Remove the top panel behind the seats, then remove the fabric panel to expose the ECU. Remove the torx bolts and ECU connectors.
- Customer is responsible for shipping to AA, a shipping label is not included in the price
- Programming turnaround will vary, but is normally 1-2 days.
- Express ECU service for US main 48 states only. We'll send you a next day UPS label, and ship your ECU ONLY back via next day. All other pats will be shipped ground unless otherwise specified/selected during order checkout. Keep in mind we cannot guarantee same day programming or control UPS shipping times/delays. We will do everything possible to turn the ECU around as fast as possible.
- When the ECU arrives we'll read your stock file to determine if it's an Evap model or standard, and we'll keep a file folder for your stock/tune files. We'll then flash with the correct AA tune.
- If you ever need to go back to the OEM tune we charge $95 which includes shipping back to you (shipping back for lower 48 US only). Please contact us if you need to go back to your OEM tune.
- MAKE SURE you insure your ECU for $700. AA is not responsible for shipping delays or lost ECUs. While more expensive over Priority Mail or FedEx, UPS has been the most reliable carrier in our experience.
- While express shipping is available on the ECU, express shipping is NOT available for the other items in this kit (the shipping you select in your cart). To safely ship these parts, they must go into 2 separate boxes and shipping will only calculate for one box. If you need the rest of the parts expressed, please message us first. Please note the 5-10 day lead time for production/assembling/kitting of these items.
- Why AA tunes over others? We have been tuning UTV's with CVT clutches for a long time, longer than almost anyone in our field going back to the 800 RZR. Tuning a CVT vehicle properly is not an easy task as you have so many variables at one time. We spend the time to wheel dyno(with actual UTV tires) correctly per modification, and have advanced ECU calibration and clutching knowledge to do so. Every change in horsepower can result in us changing clutching several times. We also develop most of our supporting mods so we know everything works correctly, and build parts to fit the vehicles needs. Lastly and honestly the most important; we then back up our results with real world data logging on local trails and our facility on 110 acres. It's this combination that truly makes the difference and why AA normally has a faster vehicle with the same or less rated tune horsepower. We left nothing on the table on the Pro R bolt-on parts, if others claim more power/gains for the same mods use caution in believing it!
- If you have any other needs in these tunes, or any concerns; please e-mail!
- Stage 3 Clutch Kit includes: AA Recoil magnetic adjustable clutch weights, setup/installation sheet, primary spring, AA secondary helix, secondary spring, butter shift washer/shim for increased spring preload and less spring harmonics
- We highly suggest our Revolver Billet Clutch Cover with Tower Lock to strengthen the clutch and provide more airflow for even better cooling
- The only special tool needed with our clutch kit is our Compression Tool #1
- Follow this link for more information on our Stage 3 Clutch Kit
- Follow this link for more information on our full exhaust system: Stainless Head Pipe & Stainless Slip-On Exhaust
- Follow this link for instructions on how to locate/remove ecu
- Oh... and get ready for your Pro R to flat out rip!
- 113-1017-3
jds 1/27/23
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- 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
4.2 ★★★★★
Based on 848 reviews
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Product Reviews
★★★★★ 5
Outstanding Wallet
Very good Wallet Nice leather looks very nice and was easy to break in. I carry it in my front pocket and it is not to bulky. Holds a lot of card and has two pockets for cash.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 12, 2026
★★★★★ 5
Good quality
Color: white, Color: white
The bags are sturdy, and the tiger and the tassel add a touch of Korean culture. Great for gifts.
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Reviewed in the United States on August 26, 2025
★★★★★ 5
10 stars!
Color: black, Color: black
These gift bags are on another level! The card stock is heavy duty and the quality is out of this world. Your guest will love anything inside this bag. The tassel and tiger tag is so unique and makes this extra special. It’s a medium sized bag and can hold a good amount of stuff. I would love to see these in different colors as well. Truly a wonderful gift bag!
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Reviewed in the United States on November 26, 2025
★★★★★ 5
Excellent looking large watch for the price.
Color: 2942 All Silver, Color: 2942 All Silver
The face of this watch is large and maybe it needs to be to fit in all the detail. There are multiple layers inside the face at different levels that make it look intricate and complex. The watch that I received was described as being all silver in the color selection. However, in reality, the face is mostly white with silver markings and silver detail. Even with all of the details and markings on the watch face, it’s still relatively easy to read the time because of the contrast between the polished silver color hands and the white face.
The bracelet and the watch itself is metal and heavy in feel. The watch is substantial to handle and feels solid. The bezel is curved rather than flat, adding to the interesting appearance of the watch. It has regular time, date, a timer that is activated by the upper and lower buttons on the side. The moon phase is settable with the stem. All functions of the watch are good, but the timer / stopwatch function a little imprecise and fidgety. I still like it because it’s decorative and complex looking.
The watch comes in a simple gift box with adequate padding and was wrapped in clear rubbery plastic material to keep it from scratches. There is an included tool that pushes the pins out of the bracelet so that you can change the size yourself. It’s very easy to use if you have a little coordination and patience. The pins are pushed out in the direction of the arrows on the inside of the bracelet. The bracelet feels solid and looks pretty good. The bracelet is wide making the watch look balanced, and helping create a comfortable wear experience with this relatively heavy all metal watch.
The cost of these watches is low, which might be good for those who are tough on their watches or lose them. That with a wide selection of styles and colors also makes it possible to have a collection without much investment. I have several of these watches and have not had one break or stop functioning. I’m amazed that they can offer such a decent looking watch at this price.
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Reviewed in the United States on April 26, 2026
★★★★★ 5
At This Point OLEVS Should Probably Sponsor My Husband
Color: 2942 Silver Black
This officially makes my husband’s eighth OLEVS watch, so I think it is safe to say we are fans at this point. Every time I think he surely does not need another watch, a new one shows up and somehow he immediately starts acting like he is starring in a luxury car commercial.
This particular model is gorgeous in person. The square face gives it a bold modern look that stands out from the typical round watches, and the black, silver, and blue combination looks very classy without feeling overdone. It has that expensive polished appearance that makes people assume it cost far more than it actually did.
My husband especially loves larger watches, and this one definitely makes a statement. The chronograph details and moon phase display give it a high end designer feel. Even though I honestly have no idea how often the average man truly needs to check a moon phase, it certainly looks impressive.
The stainless steel band feels sturdy and comfortable, and the watch itself has a nice weight without feeling bulky. He wears these watches constantly, from dinners out to everyday errands, and they hold up surprisingly well. Several of his OLEVS watches still look almost brand new after regular use.
One thing I appreciate is that they always look sharp and masculine without crossing into flashy territory. This watch paired perfectly with both a dress shirt and a simple black polo. It has that clean confident style that works for almost any occasion.
The luminous hands are also a nice touch because my husband somehow insists on checking the time in dark movie theaters like the rest of humanity stopped existing around him.
For the price, these watches continue to impress us. Stylish, reliable, and handsome enough that my husband keeps collecting them like potato chips. Apparently you really cannot stop at just one.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 11, 2026
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