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5/16 in. Wheel & Brake Spacers (94-20 All)

Item 29910
Market Price $29.99 You Save 17% ($5.00)
Our Price

$24.99 (pair)

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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 2020 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, 20
    • Cobra - 94, 95, 96, 97, 98, 99, 00, 01, 03, 04
    • Cobra R - 95, 00
    • EcoBoost - 15, 16, 17, 18, 19, 20
    • 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, 20
    • GT350 - 15, 16, 17, 18, 19, 20
    • GT350R - 15, 16, 17, 18, 19, 20
    • GT500 - 07, 08, 09, 10, 11, 12, 13, 14, 20
    • 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

      Customer Photos (14) Submit Your Photo

      View All 14 Photos

        Questions & Answers (15)

        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
        10 More Questions
        Recently purchased a set of Enkei PF01 18 x 9.5" wheels with 275/40-18 all the way around (square set up) for my 2012 Boss 302. Seem to work well but are pretty close the rubbing and likely would with a small amount of flex/movement. Will these work on the Boss 302, and will I need longer wheel studs? 1 answer
        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

          Customer Reviews (63) Write a Review

          Overall Rating 4.3

          out of 5 stars

          • 4/5

            September 14, 2019

            Good for the price

            Adds a little extra space and lines up well if you are careful. Nice material and worked great with my car.


            Year: 2006 Submodel: V6

            Helpful (0)

          • 1/5

            July 01, 2019

            Not hub senteric.

            I had to send them back. The front wasn't hub enteric.


            Year: 2017 Submodel: GT

            Helpful (0)

          • 5/5

            May 11, 2019

            Spacer Review

            Super easy install. Gave the car a great look until I pick up some 20s. Even handles better.


            Year: 2017 Submodel: GT

            Helpful (0)

          • 3/5

            March 31, 2019

            They are ok

            Bought these in a pinch. They are not hub centric as I was told by the staff. I will be ordering a set of eibach hub centric spaces.


            Year: 2016 Submodel: GT

            Helpful (0)

          • 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 (4)

          • 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 (5)

          • 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 (7)

          • 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 (10)

          • 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)

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