AT4 2021 Automatic Gasoline 4WD Peace, mercy, and blessings of God be upon you. May God make your evening prosperous. For sale: a set of Profender gas shock absorbers with a cylinder for controlling softness and hardness, 2.5 inches. They are clean, with no leaks or noises, praise be to God. And with them are sports control arms from the company (Total), clean. (The sale is for the complete set). They fit Sierra and Silverado 2019+. They were installed on the vehicle for approximately 6-7 months, then I removed them. The highest offer is 7200. The price is 7500. (And do not deprive people of their due).