ICON’s Delta Joint is more robust than a uniball and capable of greater angularity than a typical ball joint. Its metal-on-metal construction and a greaseable design increases longevity while also allowing for noise-free operation. 2001-UP GM HD/2015-UP COLORADO/2014-2018 GM1500(LARGE TAPER) DELTA JOINT KIT TECH NOTE: Not compatible with Colorado ZR2 trim ICON 01-UP GM HD/15-UP COLORADO/14-18 GM1500(LARGE TAPER) DELTA JOINT KIT