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Sumitomo High Performance HTR Z II Tire - 255/45R18 (05-14 All)

Market Price $137.99 You Save 13% ($18.54)
Our Price

$119.45 (each)

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  • Item 63008
  • MPN# 5518042

  • 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
  • Unique Flanged Lip Protects Rims

Review & Installation Video

Review & Install Video

See our 2005 V6 Project Car Now

Sumitomo's HTR Z II series tire is an ultra high performance summer tire. The aggressively designed 255/45ZR18 delivers extraordinary performance in either wet or dry conditions, on and off the track.

Uncompromising traction and handling. The HTR ZII's extra wide, arched tread blocks deliver uncompromising racing slick-like dry traction and handling. Dual steel belts with spirally-wrapped Jointless Nylon Band reinforcements deliver high-speed stamina and predictable handling, while still minimizing weight and right uniformity. Single Strand Beads help improve wheel fit and retain rigidity under high stress cornering.

Excellent anti-hydroplaning characteristics. Multi Directional Water Channels push water to the sides and away from the center providing excellent hydroplaning resistance and road grip in adverse weather conditions.

Smooth ride; minimal road noise. In addition to outstanding performance, the HTR Z II 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!

Unique flanged lip protects rims. The HTR Z II Series Tires also feature a unique flanged lip on the lower sidewall that helps protect your expensive rims from curb damage while parallel parking.

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 9 Inch 2005+ Wheels

  • Wide block shoulder stabilizers strengthen shoulders for maximum dry grip and greater, more predictable, steering response for cornering control.
  • Full-width, high density steel belts promote stable, predictable handling, smooth ride, even tread wear, and superb uniformity .
  • PSP Technology optimizes overall casing durability throughout the life of the tire

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: 8.0
  • Wet Traction: 8.0
  • Dry Traction: 9.0
  • Snow Traction: N/A
  • Ice Traction: N/A
  • Steering Response: 8.6
  • Cornering Stability: 8.6
  • Ride: 8.2
  • Noise: 8.1
  • Tread Wear: 7.4

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

These tires are much better then the Goodyear Supercar tires I had. They are quiet, smooth and handle really well. Haven't run them enough in the rain to see how they handle. I know the Supercar's were ...

Read More
Helpful (1)

I love the way these wheels look on my car

Came fast, smelled new and look good. If your looking for a good tire that isn't to expensive I would recommend these.

Helpful (1)

Overall Rating 4.6 out of 5 stars
Read All 42 Reviews

Customer Photos (87) Submit Your Photo

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4 Questions / 9 Answers

Ask a Question

I'm lowered with stock 18x8 I have a 2010 Mustang GT with stock 18x8 wheels. I also have the Eibach Pro System Plus installed (purchased here), so I'm lowered about 2" in the front. I'd like to get these tires but want to first make sure they'll fit and won't rub. Help is appreciated.


  • I have a lowered 13 GT w/ 18" and 275/35 tires with no problems


    Helpful (2)

Show 1 more answer Answer This Question

Will these fit ? Will these tires fit/work on an 18x8in wheel? -Thanks


  • This tires WILL fit an 18x8 rim. I have the stock Pony Package wheels that are 18x8 and I am currently running these tires. This is however, the widest you can go.


    Helpful (1)

Show 2 more answers

I live in WV, and looking at these for my everyday driver (06 GT), and wondering how this tread pattern would be in the ocasional snow?


  • These Sumitomo tires are considered a summer tire and would not be recommended for snow or colder temperatures.


    Helpful (0)

Answer This Question

What PSI should these tires be at? What PSI should these tires be ran at if i'm running them on 18x9 wheels?


  • ford factory recommended psi, im runing my 18x10 at 34 psi.


    Helpful (0)

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Customer Reviews (42) Write a Review

Overall Rating 4.6

out of 5 stars

  • Dry Traction 4.548387 4.5
  • Wet Traction 4.1 4.1
  • Tread Appearance 4.806452 4.8
  • Ride Quality 4.322581 4.3
  • Bang For Your Buck 4.46875 4.5

  • 5/5

    September 05, 2016


    Nice looking tires. Gives great traction. I live in the Piedmont of NC and drive curvy road and love to drive fast and it takes the corners great.


    Year: 2013 Submodel: V6

    Helpful (1)

  • 5/5

    March 01, 2016


    It looks perfec on my mustang '06 v6 with the 2010 GT500 style wheels


    Year: 2006 Submodel: V6

    Helpful (1)

  • 5/5

    October 19, 2013

    I love the way these wheels look on my car

    Came fast, smelled new and look good. If your looking for a good tire that isn't to expensive I would recommend these.


    Year: 2006 Submodel: GT

    Helpful (1)

  • 5/5

    September 08, 2011

    Great tires

    These tires are much better then the Goodyear Supercar tires I had. They are quiet, smooth and handle really well. Haven't run them enough in the rain to see how they handle. I know the Supercar's were terrible. Would purchase these again.


    Year: 2006 Submodel: GT

    Helpful (1)

  • 4/5

    September 03, 2011

    Great product & awesome appearence!

    Definite improvement over stock tire's. Tread pattern look's awesome. These may not hook up as good as Nittos but they are a great vaule & very quite on the road. Even though its a harder rubber, my car never feels like its going to get away from me in harsh conditions. They hug the corners very well.


    Year: 2006 Submodel: GT

    Helpful (1)

  • 5/5

    March 04, 2010

    excellent tires

    installed wheels and tires wednesday. road dry today and pushed the "bubble" a little today. still very cold,tires held aggressive moves like glued to the road. beats all other tires i have had on my car


    Helpful (6)

  • 5/5

    September 01, 2010


    Excellent tires for the money. Great traction and they look awesome with a set of 2010 gt500 wheels. Fast shipping thanks AM


    Year: 2010 Submodel: GT

    Helpful (4)

  • 5/5

    January 04, 2010

    Great Tires

    These tires make a smoother, quieter ride with better handling. The only con that I have is when the wheel is cut sharply, the tires scrub in the wheel well. Easy to avoid though. Absolutely love the look!


    Helpful (4)

  • 5/5

    August 18, 2012


    Great tires. Good grip in dry, decent in wet. This is my second set, and I love them!


    Year: 2005 Submodel: GT

    Helpful (2)

  • 4/5

    October 12, 2012

    go with Nitto 555

    I should have stuck with what I know. I tried these but am not impressed. They don't look as good as the Nitto's i had before. The wet traction is horrific. Dry traction not bad. The tire looks like the size isn't correct. Either not wide enough or the tread doesn't extend out enough, just doesn't look like a traditional low profile tire like the Nitto. will not purchase again.


    Year: 2013 Submodel: V6 upstate NY, USA

    Helpful (3)

    • Response from AmericanMuscle

      NITTO tires are higher performance tires when compared to Sumitomo tires. Sumitomo's have a harder compound and will consequently outlast the NITTO tires. The thread pattern can also make them look somewhat different, but if you ordered the same size, both brands would have the same sidewall and width.

      Lisa , Customer Care

  • 5/5

    May 04, 2011

    Great Tire's

    Great tire's!! Hugh improvement from stock tire's. Tread pattern aggresive and look's great on my daily driver.Great grip and very quite on the road. in the recent heavy rain's tire's held the road and performed great never felt like the car was going to get away from me.


    Year: 2007 Submodel: GT

    Helpful (3)

  • 2/5

    April 05, 2014

    Looks can be deceiving.

    The good: The tread looks great. It has a very nice "aggressive appearance". Nice, deep rain grooves. They offer great dry and surprisingly wet traction. A lot better then the stock tires. The bad: They will not hold a balance. I have had both tires rebalanced twice now and the steering wheel (front tires) still vibrates at speeds over 25 mph. Can be felt in the break peddle too. Never had this issue with the old tires I had in the past and yes, I did have the front suspension looked at and the ball joints and tie rods are fine as well as the break rotors, pads and wheel bearings. At highway speeds, you can see the steering wheel "wobbling". Have less the 1k miles on them. Will be getting them re balanced for the 3rd time today to see if it makes a difference. If not, I'm calling cust support and will see about getting them replaced.


    Year: 2005 Submodel: GT Arnold, MO, USA

    Helpful (1)

  • 4/5

    October 31, 2013

    Not For Track Use

    Despite all the claims of great traction, after 3 track sessions all I can say is I'm glad they were cheap and can't wait until they wear out, which from all indications won't be very long. The tire and tread look great, so for street driving and the occasional straight line throttle blip, I would say definitely get this tire, but on the track they feel like grease. I wasn't happy with my stock P-Zeros (255) and 30lb Ford wheels, so I switched to a set of 20lb track wheels, which alone should have made a huge difference, and a set of 275 Sumi's. Not only is traction worse, but I scooped a handful of rubber out from the inside of my front wheels that was causing a huge imbalance vibration at 100+mph.


    Year: 2014 Submodel: GT Stuart, FL, USA

    Helpful (1)

  • 5/5

    January 07, 2011

    better handling

    These tires came in about 5 days after i ordered them. they looked awesome. put em on my cobra r rims and they look sickkkkk. they appear not to grip as well though in the back on take off. idk why.... but they do have alot better handling driving around turns


    Helpful (1)

  • 5/5

    May 17, 2010

    sweet ride

    look great drive even better i noticed they will rub the wheel well though its no big deal as long as you dont crank the wheel to the end

    brian horecky

    Helpful (3)

  • 5/5

    February 24, 2010


    I am happy with the tires an the service so I will give you all 5 stars


    Helpful (0)

  • 2/5

    June 06, 2015

    Front tire flat spots thus road noise.

    I have a staggered set up with 255/45/18 tires up front and 275/40/18 tires on the rear. I have no complaints on the rear tires. Great value. However I cannot get the front tires to wear evenly. I replaced the first set after about 10,000 miles (still had 5/32 tread left) due to road noise. I like the look of the tire so I went back with the same tire only to have the same problem starting now with 7/32 left on the tread. I had my front end aligned after the first problem and it was almost perfect. The tech said the alignment was not the problem. I know part of the problem is I cannot rotate them due to the staggered set up. I am frustrated.


    Year: 2014 Submodel: GT Chesterfield, VA

    Helpful (0)

  • 4/5

    January 19, 2017

    Makes your car look totally different!

    I finally bought tires for my 2014 mustang and it looks 10x better. The car looks really sporty now I have been getting a lot of compliments on it. I WISH I WOULD HAVE GOT THEM SOONER! Don't wait to get tires! Overall totally worth it


    Year: 2014 Submodel: V6

    Helpful (0)

  • 4/5

    November 19, 2016

    $293.00 $10 tip

    So I got these tires in late June of 2016, and no issue with them till they mysteriously go flat, so w/wide 18's and it being Saturday, the only place to have my size is at Bruce B Downs,(TK), in Wesley Chapel, think the guy who balanced also drove to get my new Michelin Pilot Sport AS 3, got the tip,


    Year: 2007 Submodel: GT

    Helpful (0)

  • 5/5

    October 20, 2016

    Great tires

    All-around great tire for the money no road noise great grandpa even in wet conditions absolutely no hydroplaning or hesitation in the steering wheel when going over a bottle I would definitely recommend these tires to any of my friends and also buy them again


    Year: 2008 Submodel: GT

    Helpful (0)

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