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Mustang 2015-2018 GT (S550) Brakes on S197

Mustang 2015-2018 GT S550 Brakes on S197 (Mustang 2005-2014)

Are you looking for big front brakes on your S197 (2005 – 2015) Mustang? You don’t want to spend in excess of $600? If that’s the case you can do with takeoff front calipers of a S550 (2015-2018) Mustang GT. In this post we are going to list all the parts you need to install S550 brakes on S197. The front calipers on S550 Mustang GT are 4 piston, and cheaper when compared to the 4 piston Brembo calipers.

S550 brakes on S197

 

Mustang 2015-2018 GT S550 Brakes on S197 (Mustang 2005-2014)

Disclaimer

This is not a how to guide. This is just a list of all the parts needed.

Pre-Requistes

For starters, you need to make sure your existing wheels will clear the Mustang 2015 – 2018 GT calipers, because these calipers are big, even bigger than 4 piston Brembo calipers.

s550 caliper size

We installed Mustang 2015 GT 4 piston calipers on American Muscle 19×8.5 wheels and did not have any clearance issues. A lot of people have used 3-5mm wheel spacers to clear the calipers. We have linked the spacers used by some fellow Mustang enthusiasts below.

(2) 3mm 5×114.3 / 5×4.5 Hubcentric Wheel Spacers for Ford Mustang

(2) 5mm 5×114.3 / 5×4.5 Hubcentric Wheel Spacers for Ford Mustang

Parts Required

1. Mustang 2015-2018 GT (S550) Front Calipers

First thing we need is front calipers off a 2015 – 2018 Mustang GT (S550). You can buy them of eBay for anything between $225-$275. Make sure to buy calipers only, do not buy sets with rotors. Below is a sample listing.

Mustang 2015-2018 GT 5.0 Front Calipers

2. Mustang 2015-2018 GT (S550) Front Brake Pads

In all probability, front calipers you buy off eBay will come with brake pads. Ours did too, but we decided to buy new brake pads as we didn’t want to use used brake pads with our brand new rotors. Below is the link to the Centric brake pads we ordered. You can order any brake pads for a Mustang 2015 – 2018 GT (S550).

Centric 309.10010 Brake Pads

Some Other Brake Pad Options

Powerstop Z26

Hawk Performance Street

Hawk Performance Street 5.0

Hawk Performance Street Race

3. Mustang 2005 – 2014 (S197) 14 inch Rotors

The next thing we need is 14 inch rotors for a Mustang 2005 – 2014. For our build, we used Centric blank rotors, but you are free to buy drilled and slotted as well as long as they are 14 inches. Below is the link to Centric rotors we used, make sure to buy 2. One for driver side, and one for passenger side.

Centric 120.61089 Premium Rotors

Please note, rotors off a 2015 – 2018 Mustang GT will not fit 2005 – 2014 Mustangs as the hat is different.

Some Other Rotor Options

Drilled and Slotted

Centric Sport Drilled and Slotted  127.61089L – Front Left

Centric Sport Drilled and Slotted 127.61089R – Front Right

Slotted

Centric Sport Slotted 126.61089SL  – Front Left

Centric Sport Slotted 126.61089SR  – Front Right

4. Stainless Steel Brake Lines

The next thing we need is Stainless Steel brake lines. You cannot use the brake lines from S550 calipers on a S197. We bought the Stoptech Stainless Steel Brake lines, but we do not recommend them for reasons mentioned below.

  • The quality of banjo bolts with this set is not good, and one of them broke even before it could be fully tightened to 26 ft-lb.
  • You will need a TR15 screwdriver to screw the brake line to the support on the cars body.

centric brake line nut

  • On the driver side, the bracket for the brake line comes in the way of the plastic cover. We had to cut the plastic cover a little bit.

driver side issue

Stop Tech 950.61003 Stainless Steel Brake Lines

We suggest you go with either of the two brake lines mentioned below.

J&M Stainless Steel Brake Lines

Russell Stainless Steel Brake Lines

5. Washer for the Calipers

With the S550 Caliper on a S197, the rotor is not centered. To center the rotor, we need a washer on each of the bolts used to mount the caliper. In all you will need four of these washers. The washer need to be between the bolt and the caliper, so bolt -> spindle -> washer -> caliper.

s550 caliper s197

Below is the link to the washers we used.

Dorman 766-014n

You might also need a piston compression tool. Below is the link to the one we used.

Piston Compression Tool

That’s it peeps! Drive safe.

Mustang 2015-2018 GT (S550) Brakes on S197

PS:- Looking for a good wheel cleaner, comment below with some recommendations.

s550 calipers on s197

 

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