You might consider sending it to one of the brake restoration shops, yoke and all. White Post Restoration in Virginia is the one that comes to mind, they can sleave it if needed.

1957 Chevrolet 5700 LCF 283 SM420 2 speed rear, 1955 IH 300U T/A, 1978 Corvette 350 auto, 1978 Yamaha DT175, 1999 Harley Davidson Softail Fat Boy