Check the listing for details. 2011-2019 Silverado Sierra 2500HD 3500HD 2" Drop Lowering Shackles Lowering Kit-. Condition: New. Listed at 63.38 USD. Rear 2" Drop Powder Coated Lowering Shackle. OURS works on BOTH standard load trucks that use a smaller bolt size on hanger versus the leaf spring end or "increased payload suspensions" "factory overloads" which uses a larger hanger to shackle bushing bolt size. so no worries. why would GM do this!Made in USA - Lifetime Warranty - Guaranteed Fits 2011-2019 Chevy Silverado 2500HD 3500HD 2011-2019 GMC Sierra 2500HD 3500HD2 or 4 Wheel Drives These shackles will lower your truck 2" depending on the bolt hole you install them on. easy way to take the rake out of your truck and level the rear more with the front. Install is about an hour, just pull your stock shackles and replace them with our adjustable shackles, set it where you want it and reuse the original hardware. on some trucks the bed support rails may need to be trimmed. trucks with overloads may ride rougher. any questions just message me send a picture of your ride with our product installed. some items or kits are shipped direct from the warehouse, are preboxed & may ship with 2-3 different tracking numbers