The most corrosion resistant drum brakes. The Galv-X system is composed of inorganic polymers which bond metallic zinc flakes to the metal surface. The Galv-X drum brake assembly includes the left & right of the following: aluminum wheel cylinder, stainless steel spring, brake pads (bonded and riveted with bronze rivets to backing plate), and backing. The drum replacement parts kit includes: springs, adjuster tool, brass hardware, and hardware for the backing plate.