RC4 & RC6

Front & Rear brake upgrade Fits Nissan GT-R, BMW E90 M3, BMW F80, BMW 1M

This new Alcon Big Brake Kit features the latest CAR69 and CAR70 calipers which are beautifully machined from forged alloy and have been optimized for use with the Nissan GT-R, BMW E90 M3, BMW F80 and BMW 1M.

Product Details


The RC4 / RC6 kits are supplied in four boxes, two for each hand, and includes all the parts that you will need:

  • Calipers
  • Rotor assembly
  • Brake pads
  • Brackets and fixings
  • Rattle pins
  • Brake lines
  • Hard lines (for GTR applications only)


Our RC4 / RC6 brake kits are available for a range of vehicle applications, see specification document below for full details.


  • High friction pads increase stopping power
  • Increased pad area reduces temperatures and increases pad life
  • Steel staggered pistons in order to ensure even pad wear
  • Stainless steel pistons as standard for improved resistance to thermal conductivity
  • Pin mounted pads for quicker and easier pad change


  • 2 piece forged aluminium design
  • High temperature seal material as used in highest levels of motorsport
  • RC4 rotor diameter Ø330-360mm, width 28-32mm. Pad area 66.1cm2
  • RC6 rotor diameter Ø380-410mm, width 34-36mm. Pad area 117.5cm2
  • Fits many 18” and larger wheels