Brembo GT-A Big Brake Kit — PORSCHE 986 BOXSTER 1997–2004 (Front, 355x32 4-Pot)Brembo GT A Big Brake Kit PORSCHE 986 BOXSTER 19972004 (Front, 355x32 4 Pot) Genuine Brembo GT A 4 piston 2pc front big brake kit engineered for the 19972004 PORSCHE 986 BOXSTER. Upgrade to Brembo's 355x32mm 2 piece floating disc assembly for greater thermal capacity, reduced fade, and linear pedal feel on the street or the track. Key specifications Caliper family Brembo GT A (4 piston 2pc) Disc size 355 32 mm 2 piece Bell material CNC machined 7075