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Wilwood Superlite 4R Rear Big Brake Kit w/ Drilled & Slotted Rotors - Red Calipers (05-14 All)

Item 48301
Market Price $1,882.99 You Save 15% ($288.00)
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    Features, Video & Details

    • Increased Braking Capacity
    • Bolt-On Rear Brake Kit
    • 4-Piston Calipers
    • Red Powdercoat Calipers
    • 12.88" Drilled and Slotted Rotors
    • Fits All 2005-2014 Mustangs

    Review & Installation Video

    Review & Install Video

    Today, I'm bringing you my quick review and breakdown of Wilwood's Superlite rear brake kit, fitting your 2005 through 2014 Mustang. So Wilwood's Superlite rear brake kit that we're taking a look at today is going to be for the Mustang owner out there that, put simply, is going to be after one of the most capable kits for the S197, and for that owner that's going to need that extra bite and stopping power, be it on or off the track. But even being said, if you're not the owner that's tracking their car more often than not and you're after much improved stopping power over stock, as well as just having some really great-looking equipment behind your rear wheels, this is going to be a great option for you too. So rear brake kits are typically an afterthought when it comes to improving your Mustang braking, as your front set is taking most of the brunt to stop the car. While front brake kits are typically really costly, you honestly could get away by doing pads, rotors, and lines at a fraction of the cost, and then foot some of that extra cash towards the back of the car. Now, before I get too ahead of myself here, I do want to call it out that this is not going to be your typical brake job. It is going to call for a very involved three out of three wrenches on the difficulty meter, and I honestly wouldn't be surprised if you're spending about two to three hours to get this kit onto your car. So component-wise here, guys, everything that's on the table in front of me right now is going to be coming along with this kit. But first and foremost, you guessed it. We're going to be taking a look at Wilwood's four-piston calipers, which are going to look great behind any wheel. But in between there, you're going to see Wilwood's 12.8-inch electrocoated iron rotors. Those are going to be drilled and slotted, which are going to help dissipate heat that much more effectively. Inside, [inaudible] down, we're going to see that these are going to come equipped with Wilwood's BP-10 smart pads. That's going to be manufactured out of a low-friction compound, which essentially means that it's going to produce low noise, as well as low dust. But what that all means, guys, is that everything here is going to be working harmoniously to give you more bite and less fade, which is going to be critical either on or off the track. Now, great looks, meaty hardware and components, and a stellar build quality is going to come at a premium. You should expect to be spending around $1,600 to get into this kit, which honestly is not that much of a surprise. Now, I will mention, you will need to pick up a couple extra components here. That's going to be Wilwood's rear lines, as well as their brake cable, and that is going to jump the price up to around $1,875. Now, while that might sound like a lot, you could theoretically mix and match components. You can do lines and rotors, however. It's just not going to be a turnkey kit like we have here today, nor is it just going to offer that stopping power, as well as having the great looks behind your rear wheels. But taking a quick lay into the installation, you're looking at a pretty involved three out of three wrenches on our difficulty meter here, and about a three to four-hour job. As this job is going to call for the entire toolbox, I might even actually take this down to a shop or a dealer to have it installed. But you're going to need to get that car off the ground, pull your wheels and tires, and we're talking taking everything down, all the way to the axle housing. That's going to be the caliper, the caliper bracket, the dust shield, the speed sensor, and literally everything and anything in between. Then, after the fact, you're going to have to bleed that new setup. Like I said, it's going to be a pretty involved three out of three wrenches on our difficulty meter here, easily a three to four-hour job. So I'm Alex, and that's my quick review and breakdown of Wilwood's Superlite rear brake kit, fitting your 2005 through 2014 Mustang, which can be found right here at

    Unsurpassed Braking Capacity. Give your S197 Mustang the ability to stop on a dime and give nine cents change by upgrading your rear brakes to the massive 4-piston calipers included in the Wilwood Superlite Rear Brake Kit. The Superlite 4R Big Brake Kit will give you the ability to bring even the most powerful Mustang to a controlled stop every time.

    Complete Kit. This Wilwood Superlite Mustang Rear Brake upgrade kit includes 4-piston calipers, high performance BP-10 Smart Pads, two piece 12.88" black electro coat SRP drilled and slotted iron rotors.

    Designed for all ABS-equipped 2005 to 2014 Mustangs, including the V6, GT, Bullitt, and Shelby GT500 models. This Wilwood Superlite rear brake upgrade kit requires the use of 17" or larger wheels for proper clearance.

    Please Note: OE Brake Lines and Parking Cables will not adapt properly to the Wilwood Calipers. Wilwood Brake Lines and Parking Brake Cable Kit are required for optimum performance. Please see ordering option above.

    Technical Notes. This kit will not fit any of our Bullitt wheels or the FR500 wheels. It will fit our 18x9 GT4 and 18x9.5 Shelby GT500 wheels designed for the 2005+ Mustangs. This kit requires the use of 17" or larger rims for clearance, and all other styles should be test fit to ensure proper fitment.

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

    MPN# 140-9221-DR

    CA Residents: WARNING: Cancer and Reproductive Harm -

    What's in the Box
    • (1) Bracket Kit (pair, one each, left and right)
    • (2) Hat, 5 x 4.50/4.75/5.00, 1.95 offset, 12 x 8.75 Bolt Circle
    • (2) Rotor, GT 1.10” Thk x 12.90” Dia, 12 x 8.75” Bolt Circle, Right & Left
    • (2) Rotor, SRP Drilled and Slotted
    • (24) Washer, .265 I.D. x .500 O.D. x .063 Thick
    • (24) Bolt, 1/4-28 x .75 Long, 12 Point
    • (2) Bracket Caliper Mounting (pair, one each, left and right)
    • (8) Nut, 3/8-24, Jam
    • (16) Washer, .391 I.D. x .625 O.D. x .063 Thick
    • (18) Washer, .328 I.D. x .562 O.D. x .063 Thick
    • (6) Bolt, 5/16-24 x 2.00 Long, SHCS
    • (12) Shim, .015 Thick
    • (2) Spacer, Caliper Bracket
    • (2) Caliper, Superlite 4R
    • (2) Caliper, Superlite 4R, Polished
    • (2) Caliper, Superlite 4R, Red
    • (4) Nut, 3/8-24 Self-Locking, 12 Point
    • (4) Washer, .391 I.D. x .625 O.D. x.063 Thick
    • (4) Stud, 3/8-16 x 3/8-24 x 2.50 Long (pre installed in bracket)
    • (16) Shim, .035 Thick
    • (1) Pad, BP-10 Compound, Axle Set
    • (8) Bolt, 3/8-24 x 1.00 Long, Hex Head
    Installation Info
    Tech Specs
    • Fitment: 2005-2014 Mustangs Rear Only
    • Wilwood 4 piston brake calipers
    • Caliper Color: Red
    • 12.88" Drilled and Slotted brake rotors
    • This kit requires the use of 17" or larger rims for clearance.
    Will it fit my Mustang?

      Customer Photos (6) Submit Your Photo

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        Questions & Answers (7)

        5 Top Rated Questions

        Will these calipers accept different brands of brake pads or will I be restricted to ordering specific brake pads from Wilwood or other specific brands?

        • You can purchase other brake pads to work with these brake rotors however you will need to make sure that the pads that you do end up using comply with the rotors.

        Helpful (1)

        Can this kit be installed with the axles in place or, will they have to be removed?

        Is there a good amount of cast off from these rotors as they wear? Currently the rotors that I have on the front and rear as they get wet and dry cast off some rust flaking that stain my Shelby rims. I’m looking to see if this disc set is better at not doing that.

        would the brakes fit 15*10 rear drag wheels ?

        • These would not work with a 15" wheel as they require the use of a 17" or larger wheel for proper clearance.

        Helpful (0) Show 1 more answer

        Hello so my question is... How long is the average life of these brake kits? I just recently bought front and rear drilled and slotted calipers and brake pads and driving aggressive it wore down faster then my Ford stock brakes from the manufacturer. I just want to know the average life span?

        • The Wilwood Superlite Rear Brake Kit will not have a dedicated "average lifespan" as there are numerous factors that will effect the brake life.

        Helpful (0)
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        2 More Questions
        How will extra rear brake efficiency affect ABS and traction control? 1 answer
        Wheels size will brakes fit original bullet wheel 17"? 1 answer

          Customer Reviews (7) Write a Review

          Ratings Summary

          4.7 out of 5 overall rating from 7 customers

          Installation Time: Weekend

          Installation Cost: $250-$500

          • December 09, 2018

            4 2007 GT - DougY Installation Time: Full Day


            Great product still have to get rear brakes shimed correctly . Perform great lookgreat grwat product for value

            Helpful (4)
          • February 07, 2018

            5 2011 GT500 - MikeZ Installation Time: Weekend

            product is as aspected

            brake kit is on point - fits great, looks great, and stops great. fun project to do but did take me awhile to complete. many steps in this install

            Helpful (7)
          • July 06, 2017

            5 2010 V6 - Wolfranger Installation Time: Shop Install Installation Cost: $500-$1000

            Moderate improvement over stock

            Improved stopping power and more sensitive braking control.

            Helpful (7)
          • June 22, 2017

            5 2011 GT - Mike

            BREAK KIT

            This is an awesome break kit...I would recommend this kit to...

            Helpful (9)
          • June 22, 2017

            5 2013 GT - RobertD Installation Time: Shop Install Installation Cost: $250-$500



            Helpful (9)
          • February 06, 2017

            4 2005 GT - TMP289 Installation Time: Full Day

            Wilwood brake installation

            Very nice kit, installation was a little more involved do to with rear brake caliber relocation, but recommend kit.

            Helpful (10)
          • June 02, 2016

            5 2010 V6 - MustangLove Installation Time: Shop Install Installation Cost: 0-$100

            Love them

            Got these shortly after purchasing my mustang and loved how much of an improvement it added to my car. Brakes get the job done.

            Helpful (9)

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