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SuperMiata SPMNCBX
Supermiata Boxmount Front Brake kit 06-15 MX5
Price: From $979.00 to $1,099.00
Coming Summer 2022

Product Options

Rotor Size / Type:


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Pad Compound*
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Detailed Description

Boxmount™ Big Brake kit - Front

12.19x 1.1 Sport straight vane rotor
12.88x1.1 Race directional rotor

Coming Summer 2022
Patented Boxmount technology reduces lug mount deflection resulting in a firmer pedal and more predictable braking. The boxmount also allows much greater cooling airflow without sacrificing rigidty. 
The best cooling and thermal mass of any NA/NB brake system in the world. Works with all years ABS systems. Complete kit, all mounting hardware included. Duct and hose kit optional upgrades, coming soon.

Not all BBK's are created equal
In 15 years of sprint, time attack and endurance racing (and many victories), we have learned a lot about high performance brake system requirements. Many will focus simply on maximum rotor diameter and lightest weight. But this approach ignore important details. One, that even small OEM brakes can easily lock

Kit includes

  • Wilwood Forged Superlite 4 piston aluminum front calipers, gray ano
  • Billet CNC 6061 T06 aluminum hats, hub centric
  • 12.19x 1.10 UL32 Straight Vane Rotors
  • 12.88 x 1.1 HD48 Directional Vane Rotors (optional)
  • Braided stainless, orange hoses
  • Billet CNC aluminum brackets, orange anodized
  • Steel Boxmount braces
  • All hardware and instructions included
  • Your choice of 7420 plate pads (20mm), or choose to omit pads

BP-20 base pad an excellent choice for a daily driver that is not focused on competition use. 
Select one of the upgraded G-Loc compounds for increased performance.

Confirmed fit without spacers:
18", all 

17x10 +35 Konig 
17x10 +52 949 Racing 6UL
17x10 +43 Konig 

17x9.5 + Konig 

17x9 +40 Konig
17x9 6UL +48 
17x9 Flyin' Miata Kogeki


Download and print the template, trace to hard material (plastic, cardboard) and place in your wheel. 

Wheel fit tool - Use this tool to check brake clearance with your wheel. You can also print your own tool here:

See our brake system FAQ for more information on choosing brake system components for your Miata


Compound guide


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