Ford Mustang Brake Kit - Rear - Baer Brakes - Extreme+ 6S Calipers + SDZ Rotors - Red - `15-`23
Ford Mustang Brake Kit - Rear - Baer Brakes - Extreme+ 6S Calipers + SDZ Rotors - Red - `15-`23

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Ford Mustang Brake Kit - Rear - Baer Brakes - Extreme+ 6S Calipers + SDZ Rotors - Red - ’15–’23. A premium rear brake upgrade for S550 Mustangs, pairing Baer’s monoblock 6S calipers with 15-inch, 2-piece slotted, drilled, zinc-plated rotors for confident, repeatable stopping.
The 6S caliper is fully CNC-machined in Phoenix, AZ from US-sourced 2618 aluminum forging and finished in red powder coat. Stainless steel pistons and abutments, D.O.T.-compliant dust/weather seals, and the common D1247 pad type support durability and serviceability. SDZ rotors use a billet aluminum hat and arrive pre-assembled with NAS-grade stainless hardware. Baer’s backing plate doubles as the caliper mount and integrates a modern 1-piece parking brake shoe. Brackets and hardware are included. The 15-inch Extreme+ typically fits most 19-inch or larger wheels; use Baer’s template to confirm wheel clearance.
Features
- Fits 2015–2023 Ford Mustang (S550), rear
- 1-piece monoblock 6-piston 6S calipers, red powder coat
- 15" 2-piece slotted/drilled zinc-plated rotors with billet hats
- Staggered stainless pistons for pad wear control
- Dual seals: dust/weather and pressure
- Uses D1247 pad type
- Backing plate with integrated 1-piece park brake shoe
- Brackets and hardware included
Have questions or want help confirming fitment for your wheels and setup? Call us. We have locations in Austin, Texas and the Los Angeles, California area where we offer installation and customization services. 512-982-9393 (TX) or 562-981-6800 (CA)
Thinking about purchasing multiple items? Contact us for shipping discounts. We install on premises at both locations.
CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov





