EBC Brakes manufactures the largest range of disc brake pads and brake rotors in the world. Stainless steel rotor blades. not yet rated. GPz550 82-83 (H1), 82-83 (H2). AR125 B 84-85 (1), 84-86 (2), 1986 (3), 87-88 (4), 88-89 (5), 89-90 (6), 90-93 (7), 92-94 (8).