[Vehicle Fitment]: Compatible with Chevrolet Malibu 2016-2023; Compatible with Buick Regal Sportback 2018-2020 (FWD)
[Installation Position]: Rear Left and Right, Driver and Passenger Side
[Professional Replacement]: This trailing arm is replacement for above model's suspension system, and may help you resolve those problems: ① clunking noise ② steering wander ③ uneven tire wear ④ excessive vibration !!!!