Compatible with: For 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 DODGE RAM 1500 4WD. Material：Front upper control arm with ball joint adopt professional welding and CNC Machining technology, manufactured from qualified high-quality steel, strong and durable.Power-coated Surface, wear-resistant and corrosion-resistant is better than paint, more suitable for an outdoor environment. Features: This front upper Control arms are designed superior strength over factory while correcting ball joint angle and castor for vehicles lifted 2-4".Replaceable heavy duty OE style fixed position greaseable ball joints and hardened rubber bushings provide a responsive ride feel. Great Configuration：PU bushings have superior durability. High-quality ball joint with pre-installed dust cover reduce internal wear by dirt and water. Both ends have gusseting to enhance rigidity. Easy to Install: The upper control arms for 2-4 inch lift ball joint does not require additional grease. No drilling and cutting required,All parts have been preassembled,Easy to install. Welded brake line attachment position for convenient installation. Compatible with: For 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 DODGE RAM 1500 4WD. Product Feature: Better replacement OEM control arms, lift the vehicle 2-4". Reasonable structural design provide better driving performance of off-road Professionally Precision Welded The control arms will fit the factory/OEM wheels and allows for up to 35"Tall tire. All the zerks can fill in grease after some use (pre-greased when you get) . The ball joints don't require extra grease. Do not torque the zerk too tight. Professional installation is highly recommended FEATURE Heavy upper control arms stronger than OEM . Correcting camber and caster to maintain proper suspension geometry. Increasing usable wheel travel, reduce rubbing. Better steering and suspension performance and longer service life both on and off road. Achieve Smooth, quiet operation. Dust cover has longer service life;prevent sand getting in it Content：2pcs/set and all parts included as pic shown in padding box(ball joints pressed in) PU Bushing and TIG Weilding The PU bushing instead of rubber bushing, improve maneuverability and Service life, and more suitable for harsh high and low-temperature environments The zerk with thread design is more convenient when adding grease,DO NOT use excessive force to prevent copper zerk broken. NOTE Ball Joint do not require additional grease.