{"product_id":"ksp-performance-2-rear-lowering-shackles-for-silverado-sierra-1500-1999-2019-adjustable-1-2-drop-greaseable-polyurethane-bush","title":"KSP PERFORMANCE 2\" Rear Lowering Shackles for Silverado Sierra 1500 1999-2019 — Adjustable 1–2\" Drop, Greaseable Polyurethane Bush","description":"\u003cp\u003e\u003cstrong\u003eKSP PERFORMANCE 2\" rear lowering shackle kit is an adjustable 1–2\" drop solution engineered for 1999–2019 Chevy Silverado and GMC Sierra 1500 trucks to lower ride height while retaining factory-style pivoting suspension.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis pair of rear lowering shackles replaces OE components to create a 1\"–2\" drop for select 2WD and 4WD Silverado\/Sierra 1500 models (6-lug only). Built with threaded zerk-fitting holes, greaseable polyurethane bushings, TIG welding and a rust-resistant powder coat, these shackles are designed to be a durable, serviceable aftermarket option that installs without welding. The kit includes two shackles, two grease zerks and instructions—plus customer support and a parts warranty.\u003c\/p\u003e\n\n\u003ch3\u003eHow much will these shackles lower my Silverado or Sierra?\u003c\/h3\u003e\n\n\u003cp\u003eThe KSP PERFORMANCE shackles are adjustable to produce a drop between 1\" and 2\" depending on orientation and vehicle year. Some installations may require different washer placement for 2020 or later models, so confirm fitment before ordering.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eAdjustable drop: 1\"–2\" depending on shackle position\u003c\/li\u003e\n  \u003cli\u003eFits 1999–2019 Silverado\/Sierra 1500 (6-lug) 2WD and 4WD\u003c\/li\u003e\n  \u003cli\u003e2020+ trucks may need additional washers for correct ride height\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill these shackles hold up to regular driving and maintenance?\u003c\/h3\u003e\n\n\u003cp\u003eYes—these shackles are manufactured with durable features to extend service life and simplify upkeep. Replaceable polyurethane bushings resist wear better than stock rubber, and the tapped zerk holes accept grease fittings to maintain smooth operation and reduce squeaking.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eReplaceable, greaseable polyurethane bushings for quieter operation\u003c\/li\u003e\n  \u003cli\u003eTIG-welded construction for stronger reinforcement\u003c\/li\u003e\n  \u003cli\u003ePowder-coated finish helps prevent corrosion in harsh conditions\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow difficult is installation and what hardware is included?\u003c\/h3\u003e\n\n\u003cp\u003eInstallation is straightforward and does not require welding; shackles bolt in place using existing mounting points. The kit ships with two lowering shackles, two grease zerks and installation instructions; exact orientation may vary by model year, so follow the guide or contact support if unsure.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eNo welding required—bolts into factory locations\u003c\/li\u003e\n  \u003cli\u003eIncludes 2x shackles, 2x grease zerks and Pro instructions\u003c\/li\u003e\n  \u003cli\u003eManufacturer support for fitment questions and 12-month replacement\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAre there any prep steps or maintenance tips I should know about?\u003c\/h3\u003e\n\n\u003cp\u003eBefore final installation, screw the provided grease fittings into the tapped holes and add grease to prevent initial squeaks. Periodic lubrication and inspection of the polyurethane bushings will prolong service life and maintain smooth rear suspension movement.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eInstall grease zerks before mounting the shackles\u003c\/li\u003e\n  \u003cli\u003eGrease fittings regularly to prevent squeaking and wear\u003c\/li\u003e\n  \u003cli\u003eInspect powder coat and bushings during routine maintenance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: These KSP PERFORMANCE adjustable rear lowering shackles suit owners of 1999–2019 Chevrolet Silverado and GMC Sierra 1500 trucks (6-lug) who want a controlled 1\"–2\" drop without complex fabrication. Ideal for drivers seeking a cleaner stance, improved rear rake, or a simple reversible lowering solution with serviceable bushings and grease access. If you run a 2020 or later model, check washer requirements before purchase; contact KSP PERFORMANCE support for fitment guidance or parts replacement under the included 30-day refund and 12-month replacement policy.\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 Silverado 1500 4WD?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes—these shackles fit 1999–2019 Silverado\/Sierra 1500 6-lug models, including 2015 4WD, and provide a 1\"–2\" adjustable drop.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do I need welding to install the KSP lowering shackles?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No welding is required; the shackles bolt into existing mounts and include instructions and grease zerks.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"KSP PERFORMANCE","offers":[{"title":"Default Title","offer_id":48083988480158,"sku":"B082M6QX6T","price":79.98,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/ksp-performance-front-view-packaging.jpg?v=1785842359","url":"https:\/\/northtrailauto.ca\/products\/ksp-performance-2-rear-lowering-shackles-for-silverado-sierra-1500-1999-2019-adjustable-1-2-drop-greaseable-polyurethane-bush","provider":"North Trail Auto","version":"1.0","type":"link"}