[Vehicle Fitment]: Compatible with Buick LaCrosse 2013-2016 (FWD), LaCrosse 2016 (FWD; Base/Leather/Premium ModelRegal), Regal 2014-2017 (FWD; without Performance Package); Compatible with Chevrolet Camaro 2012-2015 (ZL1 Model), Impala 2014-2020 (with Variable Assist Power Steering) --- It comes with Jam Nut
[Installation Position]: Front Outer Left and Right, Driver and Passenger Side
[Professional Replacement]: This steering tie rod end is replacement for above model's suspension system, and may help you resolve those problems: ① loose or shaky steering ② strange squeaky and clunky noises from suspension ③ uneven tire wear ④ steering wheel drifting to one side !!!!