VIPER ATV Winch Mount Plate Kit - Yamaha Big Bear 400 2x4, 4x4 Fits: 2007-2012 Yamaha Big Bear 400 2x4, 4x4 Will NOT work with Terra 35 & 45 winches; Use with standard (3" x 4.875") 4-bolt mount pattern Black industrial powder coat finish; Includes installation instructions