High quality Front Left & Right Brake Caliper & Disc with Hub Replacement Part for Poraris ranger 400 2012 For Polaris Models: Ranger 400 2012 Package Includes: 1 X Right Brake Caliper: 1911617 1X Left Brake Caliper: 1911616 Height: 95.8mm | 3.7″ Length: 115.8mm | 4.5″ Width: 102.8mm | 4.0″ Mounting Hole Spacing: 65.9mm | 2.6″ Mounting Hole Thread Size: 05/16/2024 Mounting Hole Small Thread: 01/04/2020 Weight: 2lbs 2.2oz 2 x Brake Discs: 5244314 Width: 4mm | 015″| Inner Diameter: 89mm | 3.50″ Outer Diameter: 229mm | 9.0″ 2x Wheel Hub: 5135207 5131935 5135207 Width: 63mm | 2.48″ Height: 110mm | 4.33″ Inner Diameter: 22.8mm | 0.89″ | 20 Teeth 8x Bolt: 7512325 Height: 25mm | 1.0″ Width: 14mm | 0.55″ Thread Size: 2018-05-16