Our 6-Piston Two-Piece Big Brake upgrade has been developed to be the ultimate performance brake upgrade. All kits are designed to perform with the factory OE master cylinder and are ABS compatible. Each kit includes world famous AP Racing 6-Piston Aluminum Alloy Calipers with AP Racing performance 13.5” or 14” Cross-Drilled and/or Slotted Rotors. The rotors are two piece curved vane for maximum cooling and mounted on 6061 T6 aluminum hats. Also included is 6061 T6 Aluminum mounting brackets with steel inserts for added strength, DOT Tested Stainless Steel Brake Lines, and all the necessary Aerospace Grade hardware to install the kit. NOTE – Our truck and SUV kits are built with 1018 Steel brackets and 7075 mounting hats for added strength. Many kits require 18” or larger wheels so please download a brake profile to check wheel clearance. You too can now posses the same advance brake technology found in the Indy Racing League (IRL), Formula 1, World Rally Car (WRC), and NASCAR at an affordable price