Manufacturer Part Number : 233ZO83. Application : Lexus HS250h Disc Brake Caliper Repair Kit. 2010 Lexus HS250h Bore: 2.375 In.; Position: Front;. 2011 Lexus HS250h Bore: 2.375 In.; Position: Front;. 2012 Lexus HS250h Bore: 2.375 In.; Position: Front;.