The Wilwood D31 rear brake kit for 1969–1983 Porsche 911 includes 11.42in drilled rotors and flex lines, finished in yellow. Intended for direct-fit rear axle use on those model years, the package bundles the specified rotor size and hydraulic line hardware to serve as a coordinated replacement or enhancement for classic 911 rear braking assemblies.
Wilwood 69-83 Porsche 911 D31 11.42in. Rear Brake Kit w/ Flex Lines - Drilled Rotors (Yellow)