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5/16 in. Wheel & Brake Spacers (94-19 All)

Market Price $29.99 You Save 17% ($5.00)
Our Price

$24.99 (pair)

FREE Shipping on orders over $49

  • Item 29910

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    Features & Details

    • Increases Clearance
    • 5/16" (8mm) Spacers
    • Die-Cast Aluminum
    • Sold as a Pair
    • Fit 5 Lug 5x4.5" Mustang Wheels
    Additional Clearance. Sometimes certain wheel, tire and brake combinations may require just a little extra clearance to prevent caliper, inner tire or dust cap rubbing. A quick and easy way to solve these problems is with a set of 5/16" (8mm) wheel spacers from AmericanMuscle.

    Durable Construction. These wheel spacers are made from light weight die-cast aluminum for durability and strength, these wheel spacers are designed to last a lifetime.

    Application. This set of two 5/16 inch wheel spacers are designed for use with 5 lug 5 x 4.5" wheels.

    Technical Note. Longer wheel studs may be required depending on style of wheels and year/model of Mustang.

    Fitment: 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 Details

    CA Residents: WARNING: Cancer and Reproductive Harm -

    What's in the Box
    • (2) Spacers
    Installation Info
    Tech Specs
    Will it fit my Mustang?
    • Boss 302 - 12, 13
    • Bullitt - 01, 08, 09, 19
    • Cobra - 94, 95, 96, 97, 98, 99, 00, 01, 03, 04
    • Cobra R - 95, 00
    • EcoBoost - 15, 16, 17, 18, 19
    • GT - 94, 95, 96, 97, 98, 99, 00, 01, 02, 03, 04, 05, 06, 07, 08, 09, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19
    • GT350 - 15, 16, 17, 18, 19
    • GT350R - 15, 16, 17, 18, 19
    • GT500 - 07, 08, 09, 10, 11, 12, 13, 14
    • Mach 1 - 03, 04
    • V6 - 94, 95, 96, 97, 98, 99, 00, 01, 02, 03, 04, 05, 06, 07, 08, 09, 10, 11, 12, 13, 14, 15, 16, 17

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    Questions & Answers (14)

    5 Top Rated Questions

    Will this fit my 2015 Mustang GT (performance package) without needing longer studs or anything? I'd like to be able to buy, install, and enjoy! Please let me know :) *if anyone has any pics of these in their 2015 mustang please share!*

    • Yes, these 5/16" Wheel & Brake Spacers would fit on a 2015 Mustang GT without needing longer studs.

    Helpful (5)

    Will these be wide enough? I recently put on 10.5" tires on the rear of my 97 and the tire has about 2mm's of space between this and the shock. I just wanted to push the tire out a tiny bit just so I don't run the risk of it rubbing on my tire. Also will these work with my wheel studs? Or will the studs become too short?

    • The 5/16" spacer is equivalent to 7.93mm and they will begin to push the wheel off of the hub ring, and could cause vibrations when driving. Additionally, the stock wheel studs may be too short for the wheel to be fastened with the lug nuts, and we would recommend extended and reinforced studs. If you perhaps could get away with a smaller spacer, such as a 3/16" (5mm), this will not require long wheel studs for sure.

    Helpful (5)

    Are these spacers hub centric?

    • No, they are not hub centric. I used two pieces of painters tape to hold them in place then pulled the tape out once the wheel was installed.

    Helpful (2) Show 1 more answer

    Hi, Will these fit with my 20” Velgen wheels? 20x10.5 (rears) 20x9 (fronts)

    • These will fit your wheels but may require longer wheel studs.

    Helpful (1)

    will these spacers require longer wheel studs with a set of american muscle after market bullt whheels and a set of caliper covers

    • The Wheel & Brake Spacers will typically not require longer studs, or any additional modifications, however it is recommended to check thread engagement of the lug nuts during install.

    Helpful (1)
    Post Your Question
    9 More Questions
    Will these work on a 2018 GT PP1 with magneride ? 1 answer
    I have a 03 Mach 1 with older AFS Mach1 style wheels.They used to come 9" Rear 8 Front. I was wondering if its safe to install 5/16 spacers in front also. Also by counting turns on lug nuts when installing wheels im doing 4 1/2 this enough or should i need longer studs.?? 1 answer
    I Have a 2017 Gt without the PP, I'm looking to upgrade to the Brembo front brakes from stock. With a 19-8.5 rim would these provide enough clearance to avoid any issues with the new brakes? Thanks! 1 answer
    I bought the spacers and now need longer wheel studs. What length do you recommend and do you heve them in stock? Thank you 1 answer
    I'm running 35mm offset rims in the front, 40mm in the rear. Would I be able run these front and rear safely with stock bolts? 1 answer
    Can you double these up on a wheel? Is that safe?.. I need 10/16 to get my wheels where I want them, and 1 inch would be sticking out to far for my taste. 1 answer
    Do you need spacers for all four wheels? And if so why are only two spacers offered in the spacer package? 1 answer
    Will these clear Brembo brakes on a 2011 GT? 1 answer

    Recommended For You

    Customer Reviews (59) Write a Review

    Overall Rating 4.3

    out of 5 stars

    • 4/5

      January 14, 2019

      Did not need them

      Never had to use them. I got them just in case my covers would not clear my wheels


      Year: 2014 Submodel: V6

      Helpful (3)

    • 5/5

      January 08, 2019

      Know your set up

      I bought several sizes for different wheel set ups. My coil over kit and camber definitely get in the way and cause rub. These where perfect for all tire set ups. Put the car through the motions and it was solid as a rock!


      Year: 2015 Submodel: GT

      Helpful (3)

    • 5/5

      November 22, 2018

      Perfect fit.

      Part was a perfect fit and solved an issue with 10 inch front wheels.


      Year: 2015 Submodel: GT

      Helpful (4)

    • 5/5

      August 13, 2018


      These spacers are better than the 5/16th spacers, no vibration, fixes like a glove, looks great


      Year: 2008 Submodel: GT

      Helpful (5)

    • 5/5

      May 25, 2018


      Works perfect... Installed the caliper covers that I got, and gave me the clearance I needed. Thanks AM


      Year: 2007 Submodel: GT

      Helpful (7)

    • 5/5

      June 05, 2017

      Great Spacer

      Need 8mm in the front with my Forgestar 18x10 rims I got from American Muscle so I could run 315/30/18 Hoosier A7's on my 2012 Ford Boss 302r.


      Year: 2012 Submodel: GT

      Helpful (6)

    • 5/5

      January 26, 2017


      My cobra looks insane with wheel spacers, good price


      Year: 2003 Submodel: Cobra

      Helpful (5)

    • 3/5

      October 30, 2016

      I didn't like the texture

      They felt cheap. Not going to lie. However I am happy that I got them. I think I should have went one size bigger. Just for cosmetic purposes/stance reasons. All in all I'm happy with my purchase.


      Year: 1995 Submodel: GT

      Helpful (7)

    • 1/5

      August 22, 2016

      Made my car vibrate

      I put these on the front rims at the same time I installed new rims and tires. There was vibration at speeds over 45 and pretty bad on the freeway. At first I wasn't sure if it was the spacer or the balancing of the rims, but as soon as I took the spacers off the vibration went away. I would go hub centric spacers next time over these.


      Year: 2015 Submodel: GT

      Helpful (9)

    • 4/5

      August 01, 2016

      Gets the job done!

      It helped give me the extra space that I needed to get rid of the tire rubbing. Great product!


      Year: 1999 Submodel: V6

      Helpful (6)

    • 5/5

      March 11, 2016


      I really like the spacers theres no problem driving with it and it fit my big brembo breaks with my new wheels


      Year: 2014 Submodel: GT

      Helpful (10)

    • 5/5

      February 18, 2016


      It's really excellent and I would recommend it Thank you and to serve you


      Year: 2004 Submodel: Cobra KUWAIT CITY

      Helpful (5)

    • 1/5

      June 02, 2015

      Terrible product

      it will destroy your stock bolts eventually if you don't use extended bolts because it makes lug nuts bit on less thread of each bolt so the force on less thread and they will wear out soon. i had them on for few hours. and unbearable vibration noise. total waste of money and time


      Year: 2006 Submodel: V6 Quincy, MA

      Helpful (9)

    • 4/5

      January 16, 2015

      Not bad

      Considering the price, these spacers are not bad. I've got the optional 19" wheels on my '13 GT and wanted a bit less inset. No, they aren't hub centric, but it wasn't too bad.


      Year: 2013 Submodel: GT Birmingham, AL, USA

      Helpful (5)

    • 5/5

      October 16, 2014

      Wheel Spacers

      Really helpful to eliminate any rubbing on the front wheels.


      Year: 2000 Submodel: GT PA

      Helpful (5)

    • 5/5

      July 25, 2014

      Great for clearing calipers

      Used these spacers to clear the front brakes on my car so I could install my new wheels, worked perfect.


      Year: 1990 Submodel: GT PA

      Helpful (5)

    • 5/5

      July 06, 2014

      Works great

      These spacers were cost efficient and worked great!


      Year: 1992 Submodel: GT NC

      Helpful (5)

    • 5/5

      June 20, 2014


      Needed some extra room with wider wheels and this did the job. solid product.


      Year: 2003 Submodel: Cobra

      Helpful (5)

    • 5/5

      February 13, 2014

      Fits right on!

      Pretty straight forward product. My only small complaint is that they do not fit snugly, meaning that they move around a little bit on the hubs. Because of this, you will want to be sure to tap them with your fingers to center them once you put the wheel back on and before you tighten the lug nuts. Other than that, no issues. It was just enough to eliminate the goofy tucking on my front wheels and stop my tires from rubbing on my struts.


      Year: 2004 Submodel: GT Richmond, VA, USA

      Helpful (5)

    • 4/5

      January 31, 2014

      Great for caliper covers

      Bought these just in case I needed the clearance for the caliper covers. They do the job.


      Year: 2013 Submodel: V6 Arlington, WA, USA

      Helpful (8)

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