American Made R1-Redline Billet Aluminum Direct Fit Rear Disc Brake Kit W/DS Rotors. Black A551-21BLK-DS
American Made R1-Redline Billet Aluminum Direct Fit Rear Disc Brake Kit W/DS Rotors. Black A551-21BLK-DS
American Made R1-Redline Billet Aluminum Direct Fit Rear Disc Brake Kit W/DS Rotors. Black A551-21BLK-DS
American Made R1-Redline Billet Aluminum Direct Fit Rear Disc Brake Kit W/DS Rotors. Black A551-21BLK-DS

American Made R1-Redline Billet Aluminum Direct Fit Rear Disc Brake Kit W/DS Rotors .Black

SKU- A551-21BLK-DS

Regular price $1,575.00
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Shipping calculated at checkout.

Highlights:  Made In The USA, direct fit, oversized single stainless steel piston, machined billet aluminum calipers fits behind most 18" or larger factory wheels, 2015-2023 Ford Mustangs (Excluding GT350 & GT500) Custom colors and finishes available to match your car/build. 

You need a brake that’s built as powerful as your Ford Mustang. The large bore, heavy-duty R1-Redline Disc Brake Upgrade Kit from SSBC-USA gives your Ford Mustang the stopping power and performance it needs to get any job done. 

This rear brake caliper kit is Made In The USA from high-quality aircraft-grade T6061 aluminum billet and is designed to directly bolt onto your 2015-2023 Ford Mustang. Designed and engineered to provide more stopping power, the R1-Redline overpowers the empty space behind your wheels improving the overall look and style of either your everyday ride or prized, custom build. 

The aluminum calipers are a direct replacement for small factory rear calipers. The SSBC-USA kit includes high-performance severe-duty brake pads, all necessary hardware and full instructions. Standard colors are clear anodized, red, and black, with optional custom powder coat colors available. 

This Made In The USA kit contains all the parts you need to replace your Ford Mustang's rear brake system with light-weight, large bore, aircraft-grade T6061 aluminum billet American-made calipers. CNC-manufactured from quality materials, our caliper upgrade kit bolts directly onto your stock axle, providing you with the performance and durability you expect from a modern brake system with easy installation. 

Kit Benefits: 

  • The Only 100% American Made 6-Piston Calipers!
  • Ridiculous stopping power
  • Up to 43% larger piston over OEM
  • Eye-popping looks
  • Significantly upgraded safety
  • Direct-fit (No brackets required)
  • Bolts onto stock spindles with existing mounting hardware
  • Works with factory hydraulics, ABS and parking brake
  • Faster braking response times
  • Fits behind most factory wheels (18" or larger) (Consult fitment diagram)
  • Fully assembled and easy to install
  • Simple Instructions for bolt-on Installation 

Kit Features: 

  • 2 Calipers completely assembled with high-friction, low-dust semi-metallic brake pads
  • 1 heavy duty, large bore stainless steel piston per caliper
  • 4 bridge bolts per caliper for maximum stiffness
  • 2 stainless steel pad pins per caliper
  • 2 stainless steel bleeders per caliper
  • HD square-cut pressure seals & dust seals (DOT design)
  • Standard colors – Clear anodized, red, black

Rotor Features:

  • Efficient directionally designed “Slots” to reduce brake fade and reduce glazing
  • “Dimple Drilled” to give the look of the traditional “Cross Drilled” design but without the life shortening effects
  • Fully vented vane configuration for maximum cooling
  • All surfaces are Zinc plated to prevent corrosion and rusting

Options – Contact us for details: 

  • Custom powder coating to match your vehicle/build

Fits These Vehicles: 

  • 2015 Ford Mustang
  • 2016 Ford Mustang
  • 2017 Ford Mustang
  • 2018 Ford Mustang
  • 2019 Ford Mustang
  • 2020 Ford Mustang
  • 2021 Ford Mustang
  • 2022 Ford Mustang
  • 2023 Ford Mustang

Consult fitment diagram for your specific application.

Please contact Technical Support at 716-775-6700 with any questions or to discuss special applications.