Brembo GT 4 Piston Rear Big Brake Kit 328x28mm 2 Piece Rotor Zelda Centerpiece! Birthday Decorations. Printable by Epic Parties by. GT A4 Brake Kit Whether you're a track day enthusiast or a race driver seeking peak performance, this kit ensures you get the best out of every ride. Designed with you in mind, the disc and caliper work together to deliver exceptional results on both the track and the road. The sleek and distinctive design of the GT A kit adds a touch of sophistication and aggression to the ride that sets you apart from the rest. Brake Discs Drilled These discs are distinguished by a unique slot design which combine an eye catching look with brilliant performance and efficient braking in any condition. Available in one piece or floating 2 part. Type 1 TY1 brake discs are distinguished by 8 straight slots that provide superior initial response (bite) with a good pedal feel. These discs provide improved pedal feel and modulation. Available in one piece or floating 2 part. Type 3 TY3 brake discs are distinguished by aggressive slotting that provides superior initial response (bite) with a good pedal feel. The discs originate directly from Brembos experience in high end racing and offer improved pedal feel and modulation. Available with or without the Brembo logo.