4-Piston Caliper Brake Kit with Slotted Rotors

This kit is designed as a direct bolt-on replacement, requiring no modifications to your vehicle for installation. The calipers are constructed from a solid billet of aircraft-grade aluminum in a 1-piece design, ensuring light weight, exceptional strength, and resistance to corrosion. They feature opposed-piston designs to maximize pad grip and minimize uneven wear, complemented by aluminum pistons that offer superior heat resistance and consistent performance. The rotors are a 2-piece vented and slotted design with a 356mm (14-inch) outside diameter, featuring aluminum centers to reduce rotational mass, improve braking response, and shorten stopping distances. This 2-piece construction also minimizes the risk of rotor warpage by allowing for more unrestricted expansion and contraction. The caliper brackets are made from reinforced carbon steel, enabling the larger-than-OEM calipers to mount directly to the existing points on your vehicle. This kit is specifically designed for the 2015-2018 Subaru WRX and includes all necessary components for a complete rear brake upgrade. It requires a minimum wheel diameter of 457mm (18 inches). The kit comes with street performance brake pads and is intended for performance and racing driving styles.