{"product_id":"bst-bssp-2-rear-drop-leaf-spring-shackle-lowering-kit-left-right-411420-for-2011-2019-chevy-silverado-gmc-sierra-2500hd-350","title":"BST BSSP 2\" Rear Drop Leaf Spring Shackle Lowering Kit — Left \u0026 Right 411420 for 2011–2019 Chevy Silverado \/ GMC Sierra 2500HD\/350","description":"\u003cp\u003e\u003cstrong\u003eBST BSSP 2\" rear drop shackles (part 411420) lower the rear of 2011–2019 Chevy Silverado and GMC Sierra 2500HD\/3500HD trucks by two inches while preserving ride quality and load capacity.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis lowering kit replaces the factory rear leaf spring shackles with a matched left and right pair engineered specifically for the 2011–2019 Chevrolet Silverado and GMC Sierra 2500HD and 3500HD models, both 2WD and 4x4. Finished in a protective powder coat, the shackles are made to resist corrosion and wear from daily driving, towing, and seasonal exposure. The design maintains proper spring geometry so ground clearance is reduced without compromising spring function.\u003c\/p\u003e\n\n\u003ch3\u003eHow will these drop shackles affect driving and clearance?\u003c\/h3\u003e\n\u003cp\u003eLowering the rear by two inches alters the truck’s stance for a flatter look and slightly lower center of gravity. Handling at normal speeds remains similar; however, severe off-road use or extreme suspension travel may encounter reduced clearance. These shackles are intended for street-driven trucks or lightly loaded work trucks where a modest drop is desired.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eReduces rear ride height by approximately 2 inches\u003c\/li\u003e\n  \u003cli\u003eImproves rear stance and level appearance front-to-back\u003c\/li\u003e\n  \u003cli\u003eMaintains leaf spring function and payload capability\u003c\/li\u003e\n  \u003cli\u003eNot recommended for aggressive off-road articulation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat does the kit include and how durable is the finish?\u003c\/h3\u003e\n\u003cp\u003eThe kit ships with a matched left and right shackle set, each manufactured to fit the specified GM trucks. A gunmetal-gray powder coat covers the parts to guard against salt, chips, and corrosion encountered during regular use. Fasteners or additional hardware requirements depend on the truck’s existing components and installation choices.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIncludes two powder-coated drop shackles (left and right)\u003c\/li\u003e\n  \u003cli\u003ePart number 411420 for easy identification\u003c\/li\u003e\n  \u003cli\u003ePowder coat improves resistance to rust and surface damage\u003c\/li\u003e\n  \u003cli\u003eDesigned to fit OEM mounting points for straightforward installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow difficult is installation and will I need extra parts?\u003c\/h3\u003e\n\u003cp\u003eInstallation is a bolt-on swap at the leaf spring shackle locations and can often be completed with common hand tools. Depending on condition of the truck’s mounting bolts and bushings, you may choose to replace fasteners or rubber bushings for best results. A torque wrench and basic shop safety equipment are recommended to ensure secure attachment and proper alignment.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTypical install uses factory mounting points—no cutting or welding required\u003c\/li\u003e\n  \u003cli\u003eMay require replacement bolts or bushings if original hardware is worn\u003c\/li\u003e\n  \u003cli\u003eProfessional installation recommended if you’re unfamiliar with suspension work\u003c\/li\u003e\n  \u003cli\u003eEstimated install time: 1–3 hours per side depending on tools and rust\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? This BST BSSP 2\" Rear Drop Lowering Kit is aimed at Silverado and Sierra 2500HD\/3500HD owners who want a cleaner, lower rear profile without extensive suspension modification. It suits daily drivers, show trucks, and work trucks that need a modest lowering while keeping payload and towing capability. If you require significant off-road travel or plan to carry heavy, uneven loads frequently, consider consulting a suspension specialist to confirm this kit matches your use case.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will these shackles fit my 2015 Chevy Silverado 3500HD?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. Part 411420 fits 2011–2019 Chevy Silverado and GMC Sierra 2500HD\/3500HD models, both 2WD and 4x4.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do I need new bolts or bushings to install the kit?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: You can often reuse factory hardware, but replacing corroded bolts or worn bushings is recommended for a secure installation.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"BST BSSP","offers":[{"title":"Default Title","offer_id":48084085571742,"sku":"B0B779C1H1","price":94.52,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/bst-bssp-front-packaging-shot.jpg?v=1785845955","url":"https:\/\/northtrailauto.ca\/products\/bst-bssp-2-rear-drop-leaf-spring-shackle-lowering-kit-left-right-411420-for-2011-2019-chevy-silverado-gmc-sierra-2500hd-350","provider":"North Trail Auto","version":"1.0","type":"link"}