My 1972 front brake calipers started leaking and they are the smaller sized ones with the 13mm disk.
I looked for parts but in the end went for the calliper "conversion kit" that JK sell.
Apart from having to drill the lower bolt hole to make it slightly larger so the bush could go into it, the installation took less than 3 hours. I highly recommend this conversion kit and I now have larger callipers that can accept the thicker brake pads. Still the 13mm disks though and I treated Daisy to new ones of those as well.
I looked for parts but in the end went for the calliper "conversion kit" that JK sell.
Apart from having to drill the lower bolt hole to make it slightly larger so the bush could go into it, the installation took less than 3 hours. I highly recommend this conversion kit and I now have larger callipers that can accept the thicker brake pads. Still the 13mm disks though and I treated Daisy to new ones of those as well.