Genuine OEM Mitsubishi factory replacement castle style front axle nut, washer and cotter pin for the 2008-2010 Evo X models. The castle nut uses a 32mm socket. Please visually confirm the axle nut design on your car before purchase as they do vary between model years. Sold as a kit for one axle with the pin, nut and washer. Vehicle Fitment: 2008-2010 Evolution X (Castle Style) • Note the 2011+ Evo X models use the MB515403 Solid Style Nut. Please visually confirm which nut you need. Purchase Includes: (1) 3885A009 (Castle Style Nut) (1) MB109025 (Lock Washer) (1) MF472085 (Cotter Pin)