Shop Nilight Running Boards for 2019 2020 2021 2022 2023 Chevy Silverado GMC Sierra 1500 2020 2021 2022 2023 2024 Chevy Silverado GMC Sierra 2500 3500 Crew Cab 3.6 Inch Drop Side Steps Bolt-on Black Powder Coated in high quality, support 2 Years Warranty. Designed with 3.6 Inch drop and 4 Inch width step, raised form a non-slip effect, crafted laser cutting and stamping forming technology for you easy and safe to get on and off.