Single-use bolts must be replaced during brake service on certain vehicles to prevent the wheel from separating from the hub. The bolts in this kit match the factory design, stretching when torqued to provide precise clamping force. Vehicle model years this part fits (be sure to check your vehicle trim using the Amazon garage) - [Ford Transit: 2015, 2016, 2017, 2018, 2019, 2020] - [Ford Transit-150: 2015, 2016, 2017, 2018, 2019, 2020] - [Ford Transit-250: 2015, 2016, 2017, 2018, 2019, 2020] - [Ford Transit-350 HD: 2015, 2016, 2017, 2018, 2019, 2020] - [Ford Transit-350: 2015, 2016, 2017, 2018, 2019, 2020]