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The Wilwood D31 rear brake kit for 1984–1989 Porsche 911 includes 11.42in rotors and flex lines, finished in yellow. Intended for direct-fit rear axle installations on those model years, this package supplies the rotor diameter and necessary hydraulic line hardware as a coordinated replacement or upgrade for classic 911 rear braking systems.
Wilwood 84-89 Porsche 911 D31 11.42in. Rear Brake Kit w/ Flex Lines - Yellow
