The Wilwood D31 rear brake kit for 1984–1989 Porsche 911 includes 11.42in drilled rotors and flex lines, finished in yellow. Sized for direct-fit rear installations on those model years, the kit supplies the drilled-rotor hardware and necessary flex lines as a coordinated rear-axle replacement or enhancement for classic 911 braking applications.
Wilwood 84-89 Porsche 911 D31 11.42in. Rear Brake Kit w/ Flex Lines - Drilled Rotors (Yellow)