The Rear Brake Panel (xl600vh/vj/vk/vl) is made up of components including this Panel Comp.,rr.br which is the most expensive.
In this schematic the "Shoe Comp,rear Br (mca)" is used most often.
A sample from the products for the Rear Brake Panel (xl600vh/vj/vk/vl) include: Spring Brake Shoe, Shoe Comp,rear Br (mca), Panel Comp.,rr.br, Axle,rr Wheel.