Included are all rings and gaskets for the Monoshock for models ´99-´01: 125SX/EXC, 200MXC/EXC, 250MXC/EXC/SX, 300MXC/EXC, 380SX/MXC/EXC and for models ´00-´01: 125EXE/SM, 400EXC/SX, 520EXC/SX.