Front Upper Control Arms For 4-6 inch Lift Chevy Silverado GMC Sierra 1500 07-18

Upgrade to KSP Upper Control Arms for your 4-6 inch lift Silverado and Sierra 1500, or simply replace your factory arms.This control arm kit is built to OEM

specifications and is fully compatible with 4-6 inch high height lift kits (cradle-drop systems) with included aftermarket knuckles — including major brands such as Rough Country, BDS, ReadyLIFT, and more.Not compatible with stacking lifts (i.e. 2 inch + 4 inch lift) FITMENT Years Make Model 2007-2018 Cadillac Escalade 2007-2018 Chevy Silverado 1500 2007-2018 Chevy Tahoe 2007-2018 Chevy Suburban 1500 2007-2013 Chevy Avalanche 2007-2018 GMC Sierra 1500 2007-2018 GMC Yukon Does NOT fit 2007 "Classic" models. (old body style) Fits 0-2" leveled or lifted trucks using stock knuckles Fits 4-6" lifted trucks equipped with mainstream lift kits that include aftermarket knuckles. Compatibility may vary with some aftermarket knuckle designs. Ensure the final lift height after knuckle installation is within the 0-2" range. Can replace OE Parts# RK80669/RK80670;CB90268PR/CB90268;521-023/521-024;15096197/15096198;25812725/25812726;CK80669;MS50115;MK80669;CB90267PR;CB90267 FAQ Q: Is the price for one or two control arms? A: The listed price is for a complete set - one pair of control arms. Q: Will it fit a 7", 8" or higher height lift? A: It will fit as long as the final lift height with the knuckles installed is within 0-2". Q: What aftermarket ball joints will it fit? A: KSP arms are engineered with our own ball joints and are not compatible with most aftermarket options. We recommend using KSP ball joints for best fit and performance. Q: What grease should I use? A: We recommend you to use NLGI lithium grease for the ball joints, and a silicone-based lubricant for the polyurethane bushings. Features Built to OE specs and fits the major 4-6" lift kits on the market. Heat-Treated Alloy Steel Ball Joints: Built stronger for enhanced durability, with fully welded steel mounting bases for maximum strength. Equipped with a specially designed harness limiter on the control arm for securing various wiring. Thickened Cold-Drawn Steel Tubes: Corrects chassis geometry after a lift for improved stability and handling. High-Performance Polyurethane Bushings: Improve driving performance, reduce noise and vibration, and extend service life. 1.25" DOM Tubing Construction: Offers outstanding strength, toughness, and long-lasting durability.