EBC plain brake shoes are made using high-pressure die cast aluminium platforms with bonded brake linings. They are radius ground, edge trimmed and also feature lead in & lead out chamfers at lining ends and original equipment style brake shoe springs. A perfect replacement for OE brake shoes as they are radius ground to fit exactly into the brake drum and are simple to fit using the OE style brake shoe springs included. EBC Plain Brake Shoes Y516 For Rear: Yamaha: 1979 XS 400; 80-81 XS 400 SE; 1982 XS 400; 81-83 XJ 550 RH/RJ/RK Seca IMPORTANT: Picture is for indication purpose only. To visually check the kit, you can visit EBC website. The bought kit will match your motorcycle.