DCVAMOUS 4pc 6 Lug 1999-2018 Chevy Silverado 1500 Wheel Spacers Adapters 6x5.5 with 14x1.5 Studs(1 Inch, 108mm Center Bore) 6X5.5 Wheel SpacersGive 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. 6 Lug Chevy GMC Wheel SpacersPerfect fitment: Chevrolet 2000-2018 Suburban 1500,1999-2018 Silverado 1500,1995-2018 Tahoe; GMC 1992-2018 Yukon,1999-2018 Sierra 1500, 2003-2014 Savana 1500 Set of 4Thickness: 1 inch / 25mm; Bolt pattern: 6x5.5 / 6x139.7; Thread Pitch: M14x1.5; Center Bore: 4.25 inch / 108mm Easy to useWith grade 10.9 studs, SGS tested parts, complete kit comes with everything needed for a complete installation. Quality guaranteeMade of aerospace alloy aluminum 6061, T6 treatment, precision CNC machined, hard oxidation finished surface.