AMP Research PowerStep Xtreme Rng Brd - 19-21 Silv/Sra, 20-21 Silv/Sra 2500/3500, Dble/Crw Cb (2019-2021 Silverado 1500, Silverado 2500 HD, Silverado 3500 HD, Sierra 3500 HD, Sierra 1500, Sierra 2500 HD) - 78254-01A
For those owners who live and work in challenging environments. Sub-zero winters, mud caked rockers; AMP Research POWERSTEP XTreme is designed to hold up to the extreme.
PowerStep Xtreme Electric Running Board for Extreme Conditions fits 2019-2021 Chevrolet Silverado/GMC Sierra, 2020-2021 Chevrolet Silverado/GMC Sierra 2500/3500, Double and Crew Cab
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