YZ Master cylinder mounting kit, rear caliper mount, and wheel spacers. Complete disc brake conversion kit. 

Caliper mounts are available for both A style and MX style swingarms. Does NOT work with stock swingarms unless you weld a tab for the caliper mount.

Designed to fit stock kx65 rear wheel. YZ65/KX65 rear caliper, and YZ65 rear master cylinder. Most models and years of yz master cylinders will be compatible.