The Ecsta V720 ACR is Kumho's Streetable Track & Competition tire originally developed in the 295/25R19 90Y (front) and 355/30R19 99Y (rear) sizes as Original Equipment on the 2016 Dodge Viper ACR (American Club Racing) ¿ the fastest street-legal Viper track car ever. Designed for driving enthusiasts looking for ultimate performance on dry pavement, the Viper ACR's Kumho tires, refined suspension and Extreme Aero package (developing nearly one ton of downforce at the vehicle's top speed) are said to be capable of delivering sustainable 1.5 g cornering forces in high-speed turns. Like all Streetable Track & Competition tires, the Ecsta V720 ACR is not intended to be serviced, stored nor driven in near- or below-freezing temperatures, through snow or on ice.
Ecsta V720 ACR tires mold Kumho's super high-grip synthetic resin and ultra-fine carbon black enhanced tread compound into an asymmetric design that begins just 6/32" deep. Massive outboard shoulders deliver dry road responsiveness and cornering. Many of the lateral tread design features are very shallow in depth, resulting in a virtual slick tread design early in the tire's life.
Warning: Ecsta V720 ACR radials meet DOT requirements, however they are not recommended for driving in wet conditions where standing water is present and there is the risk of hydroplaning; drivers should drive cautiously at significantly reduced speeds if they encounter these conditions. This is especially true of worn tires.
The tire's casing was developed using Kumho's ESCOT tension control optimization technology that allows engineers to tune the bead, sidewall and shoulder rigidity to optimize footprint pressure distribution and uniformity. This results in less flexing and cooler operating temperatures that improve durability.
The tire's internal structure includes dual high-tensile steel belts reinforced by spirally wound nylon to provide excellent strength and high-speed capability while the sidewalls are tuned to resist lateral deflection and to provide handling control and positive feedback.
El neumático Ecsta V720 ACR de Kumho, pertenece a la categorÃa: De Carretera Para Pista y Competencia, y fue desarrollado originalmente para el Dodge Viper ACR (American Club Racing) del 2016 (es el auto Viper más rápido de uso legal en carreteras), en el tamaño 295/25R 19 90Y (frontal) y 355/30R19 99Y (trasero). El diseño de los neumáticos Kumho para el Viper ACR, ofrecen el mejor rendimiento sobre pavimento seco, buscado por los entusiastas del volante. El uso del Ecsta V720 ACR, la suspensión sofisticada y el paquete aéreo (Extreme Aero), puede crear cerca de una tonelada de fuerza hacia abajo a la mayor velocidad del vehÃculo) presente en el Viper ACR, son capaces de proporcionar una fuerza de 1.5g al tomar curvas a velocidades elevadas. Como todo neumático de la categorÃa: De Carretera Para Pista y Competencia, el Ecsta V720 ACR, no fue diseñado para recibir mantenimiento, ser guardado o utilizado, en temperaturas cercanas al nivel de congelación o superficies con hielo o nieve.
Los neumáticos Ecsta V720 ACR, poseen un compuesto de caucho mejorado con una resina de gran agarre y negro de carbón ultra fino, moldeado en una banda de rodamiento con diseño asimétrico y profundad de 6/32" (6 partes de una pulgada de 32 partes, 4.8mm). Hombros externos inmensos proporcionan excelente respuesta en pavimento seco y al tomar curvas. Muchas de las caracterÃsticas del diseño lateral de la huella, poseen poca profundidad, resultando en un diseño virtualmente liso desde que el neumático es nuevo.
Precaución: Los neumáticos radiales Ecsta V720 ACR cumplen con los requisitos DOT (Departamento de Transporte, por sus siglas en inglés), sin embargo, no se recomienda utilizarlos en condiciones mojadas donde exista agua estancada y haya peligro de deslizamiento sobre agua (hydroplaning). Los conductores deberán reducir la velocidad y manejar con precaución si se presentan las condiciones mencionadas; esto se hace más necesario, cuando los neumáticos están desgastados.
La estructura del Ecsta V720 ACR fue desarrollada utilizando la tecnologÃa ESCOT de Kumho (Optimación del control de la tensión). Esta, permite que los ingenieros ajusten el talón o alambre del aro, la rigidez de los hombros y el flanco, con la idea de optimizar la distribución de la presión de la huella y mejorar la durabilidad.
La estructura interna del neumático incluye correas de acero doble resistentes a tensiones fuertes, reforzadas con nailon envuelto en espiral, para proporcionar una fortaleza excelente y capacidad de rodar a velocidades elevadas, mientras que los flancos son ajustados para resistir la flexión lateral y proporcionar control y mejor respuesta al girar el volante.
Specifications shown are as accurate as possible based on the information provided to us by the tire manufacturers. The dimensions reflect average values for tires measured on the specified measuring rim width. Individual tires may vary from data shown.
All tires are subject to continuous development. The tire manufacturers and Tire Rack reserve the right to change product specifications at any time without notice or obligation.
*Although regularly updated, the country of origin for tires may vary from what is shown. Unfortunately, we cannot accommodate requests for tires with a specific country of origin.
For assistance selecting products for your vehicle, please contact our sales specialists at 888-541-1777 or via email.
See official manufacturer's warranty brochure for specific details.
New vehicle Original Equipment tire warranties often differ from those covering replacement tires. Consult your vehicle documents to confirm Original Equipment tire warranty coverage.
Tire Category: Streetable Track & Competition
This tire hasn't received enough consumer feedback to be rated.
Feedback patterns show the BFGoodrich Mud-Terrain T/A KM3 delivers excellent dry traction (8-10 scores) and confident off-road grip in rugged conditions, with strong performance in deep snow and mud. Wet traction receives positive feedback (7-9 range), though a few users note reduced predictability in heavy rain. Winter traction shows mixed results on ice (3-7 scores) but reliable capability in snow. Treadwear stands out as a strength, with many users praising long-lasting tread life in demanding off-road use. Ride comfort earns 7-10 scores, though some mention noticeable road noise. This tire excels as a dedicated off-road option, balancing aggressive traction with respectable durability for its mud-terrain class.
AI-generated from the text of customer reviews
Most customers rate wet traction highly with scores 9-10, noting reliable grip. Some lower scores suggest variability, but the KM3 excels off-road with strong wet performance suited to rugged use.
...To my surprise on wet surface the tires performed very well...
Compared to Goodyear Kevlar's I had previously fitted on my car KM3's are much smoother to handle on road and less noisy.
To my surprise on wet surface the tires performed very well.
Also when tested on snow we deflated the tire to 10 PSI and the tire was unstoppable.
I am very happy of this purchase and would definitely recommend these tires to all the fun lovers out there.
While you can't rate your own survey, you can:
835992
Great wet traction and low noise for this type tire...
Great mud tire. Great wet traction and low noise for this type tire. Great dry traction and excellent wear characteristics.
While you can't rate your own survey, you can:
925778
...In the NW, roads are wet 75% of the time. These tires have a predictable amount of grip which barely changes from wet to dry... Wet grip is very predictable...
To start with, these tires are not for everyone. They are civilized off road tires. In the NW, roads are wet 75% of the time. These tires have a predictable amount of grip which barely changes from wet to dry. That means the dry grip is not going to match a Michelin Pilot Cup tire. If you hear them howling around a corner, that's a clue. Wet grip is very predictable. I'm not averse to driving sideways, so your results may vary and drive within your limits. The only way to hydroplane these would have to be to drive into a lake, period. The first winter, these were better on my very steep 200+ foot long driveway than my studded snow tires. I very nearly swapped back to these KM3s after feeling the difference on fresh snow but, studs still work better on compacted snow and ice. These tires have held up to my heavy right foot (454BBC), no chunking and the wear has been better than I expected out of such a soft compound. These should be mandatory on any off road capable vehicle. If this sounds like fun, these are your tires. If you were looking for in-depth driving noise, smoothness or tread life comments; try a set of 80k Michelin LTX's. Enjoy.
While you can't rate your own survey, you can:
861632
The BFGoodrich Mud-Terrain T/A KM3 delivers excellent deep snow traction, with most scores 9-10. While ice performance shows mixed results (some 0-6 ratings), its rugged off-road design ensures strong winter capability in challenging conditions.
...It snowed 18 inches with subzero temperatures with added ice. These tires never even spun or slipped at all. I stayed in 2 wheel drive on purpose, just to see what these tires had to offer...
You want tires you can be proud of and all your friends are envious of?? THE KM3S ARE IT!!! These tires look nasty and mean. And they deliver. It snowed 18 inches with subzero temperatures with added ice. These tires never even spun or slipped at all. I stayed in 2 wheel drive on purpose, just to see what these tires had to offer. ABSOLUTELY INCREDIBLE TRACTION AND THE TREAD CLEARED ITSELF OF THE DEEP, FROZEN TUNDRA. I WAS/AM BLOWN AWAY BY THE PERFORMANCE OF THE KM3. Yes, they are expensive. But even pulling my 18 ft.,tandem axel toy hauler loaded with my stuff and my 01 Springer softail, they NEVER MISSED A BEAT. No side to side weakness or sway. Due to the fact they are ruggedly built with super thick sidewalls and an indestructible foot print sole. I wasn't so sure how they'd react or last to the heavy weight of my trailer and the Construction environment I work in. Extremely tough,rugged and durable set of tires. I JUST LAID DOWN THE MONEY FOR MY 2ND SET TODAY AT DISCOUNT TIRE AND NEVER EVEN HESITATED. The manager tried to sell me on the KO2 and some kind of NITTO JUNK. I just couldn't settle for 2nd or 3rd best. Not after having experienced THE BEST,THE KM3. I've never seen anyone ever have a set of KM3s on their truck. Although, everyone always commented and complemented me on mine. Some things in life are worth spending your hard earned money on. YES! Again, the KM3 tire isn't cheap. But theres enough CHEAP TIRES OUT THERE. JUST NOT ON MY TRUCK PULLING MY TRAILER AND MY HARLEY BEHIND THEM. I love the security, safety and YES, the attention the KM3 delivers to me mile after mile. BUY CHEAP, YOU GET CHEAP. BUY THE KM3, YOU QUITE SIMPLY BUY, OWN AND RIDE ON THE BEST OF THE BEST, HANDS DOWN. BUY THESE TIRES. YOU'LL NEVER REGRET IT. AND YOU WILL BUY ANOTHER SET. JUST LIKE I DID TODAY. NO OTHER TIRE WILL EVER GO ON MY TRUCK. EVER.
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946155
I live in snowy snow country over 400 inches in 2018... they do wonderful in deep snow... A little slick on ice but if you have these you usually have 4WD, not a big deal...
I really don't write review's, but I like these tires so much maybe this will help someone looking for a great off road tire. I live in snowy snow country over 400 inches in 2018. These tires are a little noisy....there aggressive tread,comes with it...I got these to go off road in the winter and off road in the spring, they do wonderful in deep snow, just as well in the mud....no problem with traction anywhere.A little slick on ice but if you have these you usually have 4WD, not a big deal.I use a little more fuel, again aggressive tread,well worth it.I have found a new tire will DEFINITELY buy these again...perfect for what I do.
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839505
These are exceptional for winter driving...
These are exceptional tires for winter driving. I have been impressed with the performance and durability from day one.
Would definitely recommend these to anyone.
While you can't rate your own survey, you can:
944866
Most customers rate the BFGoodrich Mud-Terrain T/A KM3's dry traction as excellent, with scores of 9-10 dominating. A few 7s and 8s still reflect strong off-road grip and confident handling in rugged conditions.
...Stiffer side wall and better dry traction and better ride comfort.
Previously has the General Grabber and these KM3 are much more quiet than the Grabbers. Road noise is far less noticeable than the Grabbers. Stiffer side wall and better dry traction and better ride comfort.
While you can't rate your own survey, you can:
830398
...Dry and wet traction are amazing. I honestly feel like I'm on an all-terrain...
My previous set of KM2's were so great, I naturally went with the KM3 as soon as I finally wore the KM2's out. I know this is a mud-terrain, and most likely not the thing people care about the most, but I can't get over the road manners of this tire. My KM2's were very quiet, and these are even quieter for a mud-terrain tire. Dry and wet traction are amazing. I honestly feel like I'm on an all-terrain.
As with every BFGoodrich off-road tire I've owned, these things are unstoppable off the pavement. Mud traction is superb, and they clean themselves out very quickly with a touch of wheel spin. Rock traction, specifically when engaging the sidewall, is the best I've experienced. The giant sidewall lugs feel very tough and grab onto a rock face like fly paper. I had a set of Goodyear MTR's in the past and these tires are simply in another league in all aspects.
I hope the tread wear is as good as my KM2's were. I ended up removing those because they were aging (8 years) and I couldn't wear out the last remaining bit of tread. Haven't had the KM3's long enough to gauge, but I think they'll be great.
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837771
...Going taller and skinnier than factory actually improved turn-in and feel, and they're surprisingly confident in the dry. They will also howl when you're pushing too hard to let you know what's going on...
Bought for over-landing and off-road camping in Colorado. In that environment, these tires are amazing. Have been down to 15 PSI in sand and went through a few rugged passes without a problem. The tread pattern also looks great. Highway they're noisy, but to be expected. Non-car people notice the difference in sound.
Going taller and skinnier than factory actually improved turn-in and feel, and they're surprisingly confident in the dry. They will also howl when you're pushing too hard to let you know what's going on.
In the wet they're marginal, but never felt unsafe or lacked confidence. In cold and slick conditions, they're barely passible, but I figured this would be the case when I purchased the tires. I wish I would have kept around the factory tires for winter duty.
I have not driven them long enough to know about wear, but 3k miles in they're doing okay. My tire shop did not mention difficulty in getting them to balance.
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868424
Most customers rate ride comfort between 8-10, impressive for an off-road tire. Noise levels show mixed scores but remain acceptable given its rugged purpose. High marks highlight smooth handling on rough terrain, balancing performance with comfort.
...Tire wear has been very comfortable...
Great tires! I mostly drive on the road, more of a mall crawler than anything else. Tire wear has been great, and the ride is very comfortable. Will buy again when it’s time.
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1015214
I was worried at first because so many people said mud terrains are loud and uncomfortable. However with these KM3 tires that's not the case, they are smooth and not noticeably loud at all...
I was worried at first because so many people said mud terrains are loud and uncomfortable. However with these KM3 tires that's not the case, they are smooth and not noticeably loud at all. I'm very impressed.
While you can't rate your own survey, you can:
898249
...Did amazing in mud and you can barley hear them on the highway. This tire reminds me of a all terrain on the road due to the soft and quiet road noise...
These tires were a great upgrade from firstone mt2. Way better ride and more control on and off road. Did amazing in mud and you can barley hear them on the highway. This tire reminds me of a all terrain on the road due to the soft and quiet road noise. BF stepped up there game on this set of tires.
While you can't rate your own survey, you can:
837506
Most customers rate treadwear highly, with scores mostly 8s-10s. For off-road use, the KM3 shows excellent durability, though some lower scores indicate variability in extreme conditions.
This Hot Lap at Mazda Raceway Laguna Seca puts Motor Trend Head 2 Head's Randy Pobst behind the wheel of the new Dodge Viper ACR. This big Viper's Kumho Ecsta V720 ACR tires get a "holy cow" out of Pobst. And when that happens, you've got something good going on. Take a look.
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