Durable One-Piece Design. Take your truck to the next level with Rough Country’s most durable Upper Control Arm to date! Rough Country’s Forged Upper Control Arms feature a solid, 1-piece design made of forged aluminum for superior strength and durability. This forged design outperforms all other types of arm construction, with no welding weak spots that could bend or break. High Strength Ball Joints. Rough Country’s Forged Upper Control Arms use POM ball joints which reduces metal-to-metal contact for less maintenance and longer service life versus standard or OE replacements. These Ball joints feature a POM ball race for an extremely low co-efficient of friction and an oversize ball diameter reduces load and improves range of motion in a fully greaseable design. Rough Country’s Forged Upper Control Arms also feature durable rubber bushings rubber bushings for superior quality and durability. Installation. Featuring a 100% bolt-on installation process, an estimated timeframe of 3-4 hours is recommended to complete this full installation. This full kit can be installed at home and can be completed efficiently and quickly! Limited Lifetime Replacement Warranty. Rough Country's Forged Aluminum Control Arms are backed with a limited lifetime replacement warranty towards manufacturer defects. As such, the product is protected from structural and workmanship damage after the date of purchase. With our industry-leading warranty give yourself peace of mind when using Rough Country's Suspension products! Note: Ball joint must be greased prior to use. This product is specifically designed to fit models with a 2.5-3.5-inch suspension lift kit, as well as those equipped with Rough Country's 7.5" knuckle kit or 7" bracket kit. It is not compatible with stock height models, 2007 "Classic" models (old body style), or models with Rough Country's 3.5-inch lifted knuckle kit, 5-inch, or 6-inch suspension lift kits. Compatible with a wide range of Chevy and GMC models. For Chevy, it fits the 2019 Silverado 1500 LD (4WD and RWD), 2016–2018 Suburban (RWD), 2015–2018 Suburban (4WD), 2007–2018 Tahoe (4WD and RWD), 2007–2018 Silverado 1500 (4WD and RWD), and 2007–2014 Suburban 1500 (4WD and RWD). For GMC, it is compatible with the 2018 Yukon (4WD), 2016–2018 Yukon XL (4WD), 2015–2018 Yukon XL (RWD), 2007–2018 Sierra 1500 Denali (4WD and RWD), 2007–2018 Sierra 1500 (4WD and RWD), 2007–2018 Yukon (RWD), and 2007–2016 Yukon (4WD). Additionally, it fits 2007–2014 Yukon XL 1500 models (4WD, RWD, and AWD), 2007–2014 Yukon (AWD), and 2007–2013 Sierra 1500 Denali and Sierra 1500 models (both AWD).