DCVAMOUS 4pc 6 Lug 6x5.5 Wheel Spacers Adapters 1.5" with 14x1.5 Studs for 2000-2018 GMC Yukon 1500,1999-2018 Sierra 1500,Savana Sierra Denali 1500 Pickups Give your vehicle that aggressive stance, eliminate rubbing, mount a larger wheel or tire, clear breaks or struts. They also increase your vehicles handling performance due to adding trek and width to your stance. Made of aerospace alloy aluminum 6061, T6 treatment, precision CNC machined, hard oxidation finished surface. With grade 10.9 studs, SGS tested parts, complete kit comes with everything needed for installation. Thickness: 1.5 inches / 38mm; Bolt pattern: 6x5.5 / 6x139.7 Perfect fitment: Chevy 2000-2017 Suburban 1500,1999-2017 Silverado 1500,1995-2017 Tahoe; GMC 2000-2017 Yukon 1500,1999-2017 Sierra 1500,2007-2017 Sierra Denali 1500