Stoptech Big Brake Kit – NA/NB Miata


SKU: 8X.55X.GX00.A1 Categories: , Tags: , , , , ,


Stoptech’s new big brake kit for the 1990-1997 NA Miata and 1999-2005 NB Miata!  Like all Stoptech products they went through rigorous testing to ensure they are making the highest quality kit on the market.


The 1.8 BBK uses a 30mm-36mm piston bore combination to work with the 1.8 OE Master Cylinder.
The 1.8 Sport kits use a 36mm-38mm piston bore combination, due to the larger rear Sport brakes and Master cylinder.

  • Choice of Street  or Race pads
  • 280mm (11″) Rotor Diameter

-Caliper is StopTech’s ST42, so any pads made for this caliper can be purchased. However, StopTech will be recommending specific friction compounds based on application; street or race. The friction recommendations are based on test vehicle results and are designed to work with the piston sizing and master cylinder specified.

Race Pad compounds based on FMSI# DR22. SR33 compound front. 309 compound rear.…ing-brake-pads

Street performance/Sport Brake Pads – StopTech’s 309 compound for Sport is already available in the OE Miata pad shapes, covering the rear of the kits. It will also be offered in the DR22 pad shape, developed specifically for the front of the Miata BBK.

Additional information

Weight 25 lbs
Dimensions 16 × 16 × 12 in

Part Category



Non-Sport, Sport


Street, Race


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