2014-2018 GMC SIERRA 1500 (ONLY FIT OE stamped steel and aluminum arms ). 2014-2018 CHEVROLET SILVERADO 1500 (ONLY FIT OE stamped steel and aluminum arms ). 2015-2020 CHEVROLET TAHOE. Using uniballs and rod ends eliminates the need for grease reducing maintenance and being fully rebuildable ensures great performance for the life of the arms.