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The Wilwood D31 rear brake kit for 1969–1983 Porsche 911 includes 11.42in rotors and flex lines, finished in black. Sized for the rear axle of those model years, the kit supplies the rotor diameter and hydraulic line hardware as a packaged rear-axle replacement or upgrade for period 911 braking systems, intended for direct-fit installation where those dimensions apply.
Wilwood 69-83 Porsche 911 D31 11.42in. Rear Brake Kit w/ Flex Lines - Black
