SKU: 80796081747

EVP Bad Ass Drive Belts for 2016-'19 Polaris Ace 900 & Ace 570

Sale price$134.06 Regular price$148.95
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Ships within 48 hours · Estimated delivery Jul 28 - Aug 2

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Description

EVP Bad Ass Drive Belts for 2016-'19 Polaris Ace 900 & Ace 570EVP Bad Ass Drive Belts for Polaris ACE 900 and 570 models offer far superior performance at a lower price point than OEM belts. For years, EVP has been working directly with GBoost Technology, a highly regarded CVT belt and clutching manufacturer, to validate many new belt compounds for SXSs and Snowmobiles. Each compound gets subjected to an extensive durability regiment through our sponsored race program and on our own big horsepower vehicles.

EVP Bad Ass Drive Belts for Polaris ACE 900 and 570 models offer far-superior performance at a lower price point than OEM belts. For years, EVP has been working directly with GBoost Technology, a highly regarded CVT belt and clutching manufacturer, to validate many new belt compounds for SXS’s and Snowmobiles. Each compound gets subjected to an extensive durability regiment through our sponsored race program and on our own big-horsepower vehicles. Besides being more durable compared to OEM belts, Bad Ass belt compounds provide better grip, which transfers more power to the ground instead of excess belt dust. Furthermore, GBoost is one of the only manufacturers that designs belts for different uses and conditions for the same vehicle. 

XR RACE SERIES: Developed specifically for race applications or high-powered cars that thrive on thrashing through the dunes or desert. Manufactured with a larger Kevlar cord and custom braid design marrying the belt layers for better shock absorption, increased cord pop-out resistance, and being able to withstand more heat for increased strength and durability. This belt has been load-tested to withstand the power of 600hp machines and is considered the best and strongest all-around CVT drive belt we offer.

  • Built to decrease the chances of snapping or delamination in race applications when the tendency is to land on the throttle
  • Manufacturing, quality control certifications =-ISO-14001, ISO-9001, and IATF-16949.
  • Newly released design that has a larger Kevlar cord with a custom braid design to act as a shock absorber.
  • New vulcanization process to marry the layers of the belt together around the cord preventing premature separation of the layers.
  • Custom blend of two premium High Modulus Compounds holding the top layers together with the cord and bottom layers like super glue!
  • Highest shock load rating to date being able to withstand the power of the 600hp machines.
  • Increased top cog pressure load design that increases sidewall rigidity, prevents top cog bowing, but still allows for increased rotational flexibility.
  • Bottom cog uses high-modulus rubber compound (BZX1) for better heat resistance and heat dissipation.
  • Impregnated with short Aramid Fibers for better belt-to-sheave adhesion and reduced overall belt temperature.
  • Latest bottom cog design for greater rotational efficiency at full shift.
  • Precision ground sidewall angle (SCUFFING) for smooth engagement, increased power transfer and lower operating belt temperature.
  • Kevlar cord, versus polyester, wraps over bottom cogs for increased bottom cog strength.
  • Increased cord pop-out resistance.

WORLD’S BEST BELT: The toughest, best all-around belt proven repeatedly in the most extreme conditions! EVP World's Best (WB) Belts are for the rider/racer that is looking for a tried-and-true belt that’s better than OEM with proven performance. Third-generation heavy duty, high-twisted aramid fiber cord is used for high-horsepower machines, making it the strongest belt on the market next to our XR Race Series belt and surpassing our Extreme Belt. The WB belt has a high shock load rating to withstand the power of up to 400hp machines. This belt acts like the OEM belt in terms of engagement and operating RPM’s.

  • Manufacturing, quality control certifications =-ISO-14001, ISO-9001, and IATF-16949
  • 3rd Generation heavy-duty, high-twist Aramid Fiber cord for high-horsepower tensile load requirements, making it one of the strongest belts on the market.
  • Higher shock load rating to date being able to withstand the power of the 400hp machines.
  • Increased top cog pressure load design that increases sidewall rigidity, prevents top cog bowing, but still allows for increased rotational flexibility.
  • Bottom cog uses high-modulus rubber compound (BZX1) for better heat resistance and heat dissipation.
  • Bottom cog is impregnated with short Aramid Fibers for better belt-to-sheave adhesion and reduced overall belt temperature.
  • Latest bottom cog design for greater rotational efficiency at full shift.
  • Precision ground sidewall angle (SCUFFING) for smooth engagement, increased power transfer and lower operating belt temperature.
  • Aramid Fiber cord, versus polyester, wraps over bottom cogs for increased bottom cog strength.
  • Increased cord pop-out resistance.

EXTREME (EX) BELT: Extreme performance and reliability. The EX Belt is built for the extreme trail/mud riders that need a ton of belt squeeze to stop from the belt from slipping and deliver enhanced response at all RPM levels. This belt changed our Wisconsin trail driving habits and allowed us to drive our vehicles to the limit without the fear of premature belt failure. The specific compounds in this belt make the engagement quicker while lowering the peak engine operating speeds by about 200 RPM’s.

  • EX belts have been developed with a high-temperature compound called DUMAX for added strength, flexibility, and heat resistance.
  • Ultra-strong Aramid Fiber cord that can handle/carry more than 10,000 pounds of tension without stretching or breaking.
  • Higher strength compared to OEM and aftermarket drive belts
  • Delivers exceptional 'belt squeeze' for more tuning possibilities and less slippage.
  • Maximum under-cord stiffness allows the belt to flex for rotational efficiency and cooler running temperatures
  • Built for high temps, extreme abuse, and excessive shock load.

MUD MONSTER BELT: Designed specifically for the mud rider that needs maximum belt squeeze to stop the slippage in the roughest terrain. The specific compounds in this belt make it instantly grab when the clutching and tune are correct. This blend of compounds and thickness will build more heat at higher speeds, so we recommend staying below 35mph. Mud Monster belts have been developed with the 2nd generation compound called Dumax 2 for added strength, flexibility, and heat resistance over OEM belts. This belt is built for extreme abuse and thicker for more belt-to-sheave adhesion.

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: 80796081747

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4.1 ★★★★★
Based on 12 reviews
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Melanie H.
Boise, US
★★★★★ 2
Six seams come together between your vag and rear exit. Not good.
I thought these were cute and liked the colors. They were on sale. I was looking for regular cotton boy shorts for women. I am very petite. For some reason it has become very difficult to find regular cotton boy shorts that have a gusset and the elastic band is covered. I do mean that I was just looking for basic cotton slip shorts that I have bought within the last year that have a covered waistband because I get irritation from elastic. Because of the weird data silos that Walmart and other retailers are now using, my purchase history will not pull up underwear purchases in the last year so that I may be able to reorder the ones I liked. I am so frustrated by this but needed to buy more underwear. I saw that the elastic was not covered but thought I'd try them anyway at the sale price because this elastic band is the type that can be folded over if irritation occurs. However, this is the worst fit of underwear I've put on in a while. They are made for a woman with large thighs or rear. There is a gap at the leg holes giving the feeling of breeze/no security at the butt and there is nothing, no tension there, to stop these underwear from going right up and what makes it worse is they must have made these for a woman with orifices right at the front of her pelvis. When you look straight down into the underwear you will see where the crotch gusset ends and the back seam begins. It is straight down! In other words the gusset ends and the left to right leg seam plus the seam going to the back ALL meet at this intersection which is right on top of my back door opening. This problem plus the fact that the leg holes are too big and nothing is holding the underwear down snug around my thighs means the most uncomfortable underwear seam JUNCTION is also going to be riding up my backside. I hate them. Cute colors but these underwear are not for people like myself who I thought was pretty normal despite being petite. I just hate them and I find it really frustrating that I'm going to have to end up sewing my own underwear, which is is a very basic style of underwear, not because they are no longer being made but because Google searches and Amazon searches are so confabulated and leveraged that I can't find them no matter how hard I try. I'm sick of this. I'm absolutely sick of this and UNDERWEAR IS IMPORTANT. I give two stars because they colors are really cute but I hate them and need to put an extra gusset in and try to take up the leg holes.
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Reviewed in the United States on March 12, 2025
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Amazon Addict
Omaha, US
★★★★★ 5
comfy
Size: Large, Color: Organic Cotton 2 (5 Black)
I really like these organic cotton undies. they fit well and are very comfortable.
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Reviewed in the United States on March 18, 2026
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Ronnie Bolling
Fort Morgan, US
★★★★★ 5
Great quality!
My wife loves these panties. She says they fit great, they are very soft and comfortable, and best of all they hold up very well when machine washing and drying. Now that she's put them to the test, I just ordered her more.
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Reviewed in the United States on March 23, 2024
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Stella Woodward
Alexandria, US
★★★★★ 4
Comfy but wear quickly
Size: Large, Color: Organic Cotton 2 (5 Black)
These are perfect for every-day wear and i find them super comfortable. Mine are starting to tear and fall apart, which is more quickly than my other underwear, but I think its worth it for the price and comfortableness. I'll just replace them or repair them :)
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Reviewed in the United States on December 31, 2025
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Neli Barreto
New York, US
★★★★★ 5
Soft and True to Size
Size: Medium, Color: Organic Cotton( 5* Multi)
Comfortable and true to size these boyshorts are perfect. It's great to know it's safe material and organic and it holds up well in the wash. I would definitely buy again.
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Reviewed in the United States on December 12, 2024

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