The Brembo big brake kit is a rear GTR upgrade that pairs a four-piston billet caliper with a 345x28mm two-piece slotted Type1 rotor in nickel, listed for specific S/Spyder applications excluding PCCB. The rear BBK specification highlights the Type1 slotted rotor and nickel plating, delivering the two-piece rotor and billet caliper combination for the referenced fitments.
Brembo 05-1ster S/Spyder (Excl PCCB) Rr GTR BBK 4Pis Billet 345x28 2pc Rtr Slot Type1-Nickel