For 2007-2018 Chevy Silverado GMC Sierra 1500 2WD 4WD. 3.25" Rear Lowering Kit Shackles and U-Bolts. (R) 1.5" / 2" Adjustable Drop Powder Coated Steel Shackles. KIT CONTENTS Precision laser cut from 3/16" thick steel, with a durable powder coat finish for strength and longevity.
