Tested with factory dampers.
Fits
Lexus IS300 Base 2018
Lexus IS300 Base 2019
Lexus IS300 F Sport 2018
Lexus IS300 F Sport 2019
Lexus IS300 F Sport 2020
Lexus IS350 F Sport 2014
Lexus IS350 F Sport 2015
Lexus IS350 F Sport 2016
Lexus IS350 F Sport 2017
Lexus IS350 F Sport 2018
Lexus IS350 F Sport 2019
Lexus IS350 F Sport 2020
Lexus IS350 F Sport 2021
Lexus IS350 F Sport 2022