Premium Quality Replacement PartSpindle HousingFor Toro Models:Lawn-Boy 81250, Precision Z350 HLX Riding Mower, 2005 (SN 250000001-250999999)Lawn-Boy 81250, Precision Z350 HLX Riding Mower, 2006 (SN 260000001-260999999)Lawn-Boy 81270, Precision Z3400 HLX Riding Mower, 2007 (SN 270000001-270999999) Lawn-Boy 81270, Precision Z3400 HLX Riding Mower, 2008 (SN 280000001-280000300)Lawn-Boy 81270, Precision Z3400 HLX Riding Mower, 2008 (SN 280000301-280999999) Lawn-Boy 81271, Precision Z3500 HLX Riding Mower, 2008 (SN 280000001-280999999)Order Includes:1 x Spindle Housing | 884510 1106866 1171192Height: 146.4 mm | 5.76″Inner Diameter: 11.6 mm | 0.46 “Outer Diameter: 161.8 mm | 6.37 “Mounting Hole Distance: 99.8 mm | 3.92 “**