So, you've done the exhaust, intercooler and ECU, got your 17" wheels and you've got the handling sorted just the way you like it but you want BIGGER BRAKES and you don't want to fork out for some Brembos. AVO's Big Brake Kit will set you up to use STi-sized 330mm rotors for additional braking leverage and fade resistance, increasing the useability of your brakes at the track. The following items are included in the kit: 2 x 330mm Vented Disc Rotors (Slotted). 2 x Caliper mounts bolts are included. The following items are required. 17" or larger wheels. Standard 4 pot Subaru Calipers or STi 4 pot Calipers.