The standard brakes were a 256mm disc. Fitting the sport brakes to the Mk1 or Mk2 is a common upgrade, you will need the sport brake lines, callipers and calliper carriers if you want to do the conversion.
Genuine Mazda Accessory Touring Boot Luggage Rack Mazda MX5 Mk2/2.5 NB 1998>2005
Genuine Mazda Accessory Touring Boot Luggage Rack Mazda MX5 Mk2/2.5 NB 1998-2005
Mazda MX5 Mk2 Key Blank OE Mazda years 1999-2003 Part number 905-877
Mazda MX5 Mk2-Mk2.5 , 5 Speed/Early 6 Speed,Gear Lever Bronze Bush , 910-942
Mazda MX5 mk2 mk2.5 NB NBFL Heater Blower Fan Motor Assembly
Mazda MX5 Mk2 Mk2.5 - Replacement outer sill panels - LH - 1998-2005 , MXV30361