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Sumitomo High Performance HTR Z III Tire - 235/50-18 (05-14 All)

Market Price $109.89


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  • Item 63039
  • MPN# 5517910

  • Add FREE Mounting and Balancing?

Total Price with Options:
In Stock Ships same business day. Choose options to add to cart

Features, Video & Details

  • Uncompromising Traction and Handling
  • Excellent Anti-Hydroplaning Characteristics
  • Smooth Ride; Minimal Road Noise
  • Real World Durability

Review & Installation Video

Review & Install Video

HTR Z III. Sumitomo's HTR Z III series tire is an ultra high performance summer tire. The aggressively designed 235/50-18 delivers extraordinary performance in either wet or dry conditions, on and off the track.

Uncompromising traction and handling. The HTR ZIII's five rib asymmetric tread design pattern merges cornering with straight line stability. Siped tie-bars reinforce block rigidity for control and enhance wet traction.

Excellent anti-hydroplaning characteristics. Long lateral grooves evacuate water from the center of the footprint. Four straight, wide grooves further heighten drainage for improved wet performance. A 3-D wave wall increases drainage capabilities and reinforces center rib stability.

Smooth ride; minimal road noise. In addition to outstanding performance, the HTR Z III Series Tires deliver a smooth ride with minimal road noise. That way you and your passengers can be treated to the sounds that really count, like the growl of your motor, the whine of your supercharger, or the bass thumping from your Mach 1000 stereo system!

Real world durability. Rigid, wide steel belts, high tension casing plies, and advanced silica tread compound construction means these tires are designed to last.

5 Year Warranty. This Sumitomo Tire comes with a 5-year warranty from the date of purchase. Some limitations do apply. Please see the Full Sumitomo Warranty disclosure for details.

Best Fit: 18 x 8 Inch 2005+ Wheels

  • Y-speed rating for true high-performance vehicles
  • Direct replacement sizing for premium performance vehicles
  • True performance upgrade sizing for performance segment vehicles like the Mustang

NOTE: These are ultra high performance summer specific compound and tread tires. Use during the summer and warm temperature months will result in superior traction over "all season" tires. Use during the winter months/cold temperatures significantly reduces traction and increases stopping distance as the compound becomes less sticky.

Fitment: 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 Details

Free Mounting & Balancing: Professional mounting & balancing is available on all wheels and tires when purchased together on the same order, so you can just swap your wheels in your driveway when they arrive. We even offer Free Nitrogen tire fill (see option above).

  • FREE Mounting and Balancing in 48 hours
  • State of the Art Onsite Tire Facility
  • Scratch-Free process + Hidden Weights
  • TPMS Sensors installed free on 07+ Mustangs (see wheel page for details)
  • Free Shipping on any order to the continental 48 states
  • Please allow an extra 1 to 2 business days on your wheel and tire package for mounting and balancing

Free Nitrogen Fill! AmericanMuscle is proud to bring you the option to fill your tires with pure nitrogen for FREE when we mount & balance your wheel and tire order. Filling your high performance tires with nitrogen has many benefits including:

  • Improves Fuel Economy
  • Cuts down weight
  • Preserves your tires for longer life
  • Tire Pressure is better equalized throughout the year
What's in the Box
  • (1) Tire
Tech Specs
  • Hydroplaning Resistance: 8.6
  • Wet Traction: 8.5
  • Dry Traction: 9.4
  • Snow Traction: N/A
  • Ice Traction: N/A
  • Steering Response: 9.1
  • Cornering Stability: 9.1
  • Ride: 8.5
  • Noise: 8.3
  • Tread Wear: 8.3

KEY: 10-8.6 Oh Yeah!, 8.5-6.6 Above Average, 6.5-4.6 Average, 4.5-2.6 Acceptable, 2.5-0 Unacceptable

Will it fit my Mustang?
  • Boss 302 - 12, 13
  • V6 - 05, 06, 07, 08, 09, 10, 11, 12, 13, 14
  • Bullitt - 08, 09
  • GT - 05, 06, 07, 08, 09, 10, 11, 12, 13, 14
  • GT500 - 07, 08, 09, 10, 11, 12, 13, 14

Most Helpful Reviews

Great Tires For The Price

I've purchased six of these tires and I have yet to have a bad experience with them. I just replaced my back tires with new ones but the pair lasted around 20,000 miles with the occasional burnout here ...

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Helpful (1)

Summer tires

These r great summer tires a great bang for the buck

Helpful (1)

Overall Rating 4.7 out of 5 stars
Read All 10 Reviews

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Customer Reviews (10) Write a Review

Overall Rating 4.7

out of 5 stars

  • Dry Traction 4.8 4.8
  • Wet Traction 4.444445 4.4
  • Tread Apperance 4.9 4.9
  • Ride Quality 4.9 4.9
  • Bang For Your Buck 4.555555 4.6

  • 5/5

    September 12, 2016

    Summer tires

    These r great summer tires a great bang for the buck


    Year: 2010 Submodel: GT

    Helpful (1) (0)

  • 5/5

    August 22, 2016

    Great Tires For The Price

    I've purchased six of these tires and I have yet to have a bad experience with them. I just replaced my back tires with new ones but the pair lasted around 20,000 miles with the occasional burnout here and there. These tires have excellent grip and are great when driving fast and going around curves. These tires have excellent wet traction and I never hydroplaned with them. I have not tried the Nittos but the amount you save should be enough to persuade you to buy them. My car is a daily driver and the amount of road noise is very minimal. I highly recommend these tires to anyone who are stuck in between the Nittos and the Sumitomos.


    Year: 2012 Submodel: GT

    Helpful (1) (0)

  • 5/5

    October 16, 2015

    Great package, great price, easy ordering

    These wheels look great. Bought them for my son's 2009 Mustang V-6 and they really sharpened the appearance. Traction and overall handling have been impressive. Ride quality has improved.


    Year: 2009 Submodel: V6 Houston, TX

    Helpful (1) (0)

  • 5/5

    March 21, 2014

    Sumitoma tires

    Tires came very quickly. They look great with my stock GT wheels. Can't wait to get into the turns.


    Year: 2008 Submodel: GT Hancock, WI 54943, USA

    Helpful (1) (0)

  • 5/5

    September 21, 2013

    Frustration turns into delight

    My first attempt to buy wheels was to try the local tire shops. None of them had many wheels in stock and expected me to purchase them blindly. Then after seeing a friend's Mustang with American Muscle Bullitt wheels I was sold immediately. I ordered my wheel & tire package on monday and had them on the car friday. I chose the gloss black center Bullitt wheel and Sumito tires. They arrived in perfect condition, look beautiful, and are very high quality. American Muscle exceeded my wildest expectations for service, price and quality. I will purchase from them again without hesitation.


    Year: 2005 Submodel: GT Indianapolis, IN, USA

    Helpful (1) (0)

  • 4/5

    December 08, 2011

    Seems to be a good tire

    Haven't had them on very long, looks good, handle well. We'll see how well they wear over time, but so far satisfied.


    Year: 2008 Submodel: GT

    Helpful (2) (1)

  • 5/5

    July 28, 2012

    Great buy

    Got these tires with some rims and they feel alot better than the factory bf goodrich they replaced. Alot more grip on acceleration.


    Year: 2007 Submodel: GT Indiana

    Helpful (1) (1)

  • 4/5

    June 20, 2014

    Have not driven much. Like them so far.

    Simple review, of the Sumitomo High Performance HTR Z III Tire - 235/50-18 are sharp looking, I have only driven 150 miles on them. Hug the curves GREAT. The 2007 Mustang GT that I have put them on does not go out in the rain.


    Year: 2007 Submodel: GT Michigan, USA

    Helpful (0) (1)

  • 5/5

    March 24, 2013

    Sumitomo tires get my approval

    I haven't really put too many miles on these yet but so far they grip the road nice and ride smooth & quiet. I like them.


    Year: 2013 Submodel: GT Rochester, NY, USA

    Helpful (0) (1)

  • 4/5

    September 27, 2016

    Great tires for the price

    These are the first tires I bought for my mustang, and I don't regret it one bit. They really hold on turns, little noise, and good hold on wet roads. I would recommend these tire of you're looking for a good tires at a good price.


    Year: 2014 Submodel: GT

    Helpful (0) (0)

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