PERFECT FIT Direct replacement tailgate assist for 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 Chevy Silverado and 2007-2019 GMC Sierra 1500/2500/3500HD. HEAVY-DUTY PERFORMANCE Reinforced gas struts with 50lbs+ load capacity, ideal for heavy pickup truck tailgates (supports HD models like Sierra 3500HD). SMOOTH & SAFE LOWERING Patented dampening technology controls tailgate descent speed, preventing sudden drops and protecting cargo/hands. Package Included: 1 x Truck Tailgate Assist Shock; 2 x Ball Mount Plate; 1 x Wrench; 1 x Nutsert Tool; 1 x Screw. EASY 5-MINUTE INSTALL Includes pre-assembled hardware; no professional tools needed. High-quality design ensures seamless installation without drilling.