Truck owners, here's a complete front suspension refresh kit! This 4-piece set includes: 2 front upper control arms WITH ball joints already installed, PLUS 2 sway bars (stabilizer links). Fits various 2007-2014 Chevy/GMC trucks: Tahoe, Silverado 1500, Sierra 1500, Suburban, Avalanche, Yukon, and Cadillac Escalade models with 4.3L, 4.8L, 5.3L, 6.0L, or 6.2L engines. From Detroit Axle (part number 04-3973), this is a direct replacement kit that cross-references to OEM numbers K80669, K80670, K700432. Features polished, rust-protected finish and comes with a whopping 10-year manufacturer warranty! When your control arm bushings wear out or ball joints get loose, you get clunking noises, uneven tire wear, and poor handling. Replacing both sides at once makes sense. The included sway bars help with body roll control. Installation requires some mechanical skill but is doable for experienced DIYers. Keep your truck riding smooth and safe with fresh front end components. Perfect for high-mileage vehicles needing suspension work!