AUDI A3 TFSi TDi S3 QUATTRO BIG BRAKE DISC UPGRADE CALIPER CONVERSION KIT 312 October 6, 2025 admin 2 X NEW FRONT CROSS DRILLED GROOVED BRAKE DISCS 312MM DIAMETER. 2 X NEW FRONT BRAKE CALIPERS COMPLETE WITH CARRIER BRACKETS ASSEMBLED + BRAKE PADS. CAN BE USED ON ALL MODELS TO UPGRADE TO 312MM BRAKE DISCS.
