No Longer Available - AP Racing Radi-CAL Rear 4-Piston Big Brake Kit for 2015-2016 BMW M3/M4 [F80/F82] - APR71700

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AP Racing Radi-CAL Rear 4-Piston BBK for 2015-2016 BMW M3 M4 [F80/F82]

  • A rear big brake kit will complete your track inspired look. You can drive from the supermarket straight into an apex.

  • Strong and light for maximum performance. This high performance brake system will be sure to make your car stop faster than you can say it.

  • Being able to tame the power within your car is just as important, this Radi-CAL big brake kit will be sure to keep your beast in line.

  • Available in Red or Black
  • Forged calipers
  • 2-Piece 380x28mm (15""x1.1"") rotors
  • Rotors available in J-Hook(J) or Cross-Drilled and Slotted(XD/S)
  • Billet aluminum rotor mounting hats
  • Full-floating hardware
  • Braided stainless steel brake lines w/ correct conversion fittings
  • Highly durable paint finish
  • Hard anodized aluminum pistons
  • Anti-rattle springs

  • 2015-2016 BMW M3 [F80]
  • 2015-2016 BMW M4 [F82]

  • AP Racing Radi-CAL calipers (Red or Black)
  • AP Racing high performance rotors (J-Hook or Cross-Drilled and Slotted)
  • High performance brake pads
  • Billet aluminum mounting hats and full floating hardware (pre-assembled for easy installation)
  • Billet aluminum mounting bracket
  • Braided stainless steel brake lines w/ correct conversion fittings when necessary

AP Racing Radi-CAL BBK Red and Black Calipers

Built to perfection, the new AP Racing Radi-CAL Big Brake Kit (BBK) is the best solution not only for track cars, but for daily street driven cars as well. The pressure forging process that these calipers have gone through makes for a stronger, lighter, and more reliable brake system all around. By choosing a pressure forged aluminum process, the caliper is 20% lighter and 25% stiffer. The easily removeable forged bridge will make for quick brake pad changes without removing the caliper. Being that the calipers are hard anodized and then painted with high temperature paint will ensure you great looks and corrosion protection.

AP Racing Radi-CAL BBK Red Caliper w/ J-Hook Rotor AP Racing Radi-CAL Rear BBK Red Caliper
Curved vane discs are proven to be the best designed rotors for optimized cooling. The unique design of the curve vane rotor pulls air into the center of the rotor and blowing it through the veins and out of the top of the rotor. This makes for better heat management by self-cooling for maximum performance. AP Racing has been the only acceptable replacement rotors for many GT-R owners, it has been reported that the factory GT-R rotors will only last about one weekend on the race track, while AP Racing rotors have been reported to last 30+ track days before needing replacements.

The J-Hoook pattern will give you the benefits of a cross-drilled and slotted rotor without any of the drawbacks. The J-Hook pattern gives you the bite of a cross-drilled rotor with the life span of a slotted rotor.

AP Racing Radi-CAL J-Hook Rotor AP Racing Radi-CAL BBK Red Caliper w/ J-Hook Rotor

Cross drilled and slotted (XD/S) rotors help in cooling allowing the rotor to breathe while also giving you an additonal bite. The cross-drilled and slotted rotors will offer the best stopping power by delivering the maximum cooling performance that a drilled rotor provides, while also benefiting from the stopping power of a slotted rotor.
AP Racing Radi-CAL Cross-Drilled and Slotted Rotors

  If you feel that you cannot properly perform this installation, we HIGHLY recommend you bring in your vehicle and let one of our technicians do the install.
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