356mm Big Brake Kit w/ ProComp 4-Piston Caliper

The Ksport Procomp Big Brake Kit offers a substantial upgrade in stopping performance for your vehicle. Designed for the rear application, this kit features a robust ProComp 4-piston caliper finished in vibrant red, paired with a large 356mm (14-inch) slotted rotor. The system is engineered with advanced brake technology to effectively reduce brake fade, a common issue under demanding use, and to constantly cool the brake pad surface during operation. Constructed with precision, the Ksport caliper is machined from aircraft-quality billet, weighing just over 5 pounds. It incorporates a differential bore configuration, aluminum pistons, high-temperature seals, and stainless steel brake pad wear plates. The opposed piston design enhances pad wear and caliper rigidity compared to OEM setups, while stainless steel brake lines prevent expansion under pressure. The kit utilizes a 2-piece floating disc assembly, which minimizes both rotating and unsprung weight, and also helps to mitigate thermal stresses from extreme heat, preventing disc warping or cupping. The unique slot design on the rotor not only reduces braking noise but also efficiently expels gas and pad debris, offering superior performance, especially for track-focused applications. This specific kit, part number BKAU031-443SO, is designed for the 8L Chassis 1996-2003 Audi A3 Quattro (Euro models).