Acura BremboGran Turismo Brake Systems are comprised of both 1 or 2-piecevented rotors that are 12 to 15 inches cross-drilled or slotted. In the2-piece system, billet aluminum hats are application specific and havebeen individually machined to engineering specifications. The marriageof these pieces create a "floating disc" which reduces heat relatedstress and improves brake performance and pedal feel.
Many of the Gran Turismo systems require modification to, or removal of the OEM dust shield or backing plate. Unless otherwise specified, all systems available either drilled orslotted. the third digit in the P/N denotes disc type. 1 = drilled, 2 =slotted. Color legend: B=Black, R=Red and S=Silver