SCITOO 1" Inch Wheel Spacers 6x5.5 to 6x5.5 (6x139.7) 14x1.5 | 6 Lug Wheel Adapter fits Chevy Silverado 1500 HD GMC Sierra 1500 HD Yukon Denali XL Adapter Cadillac Escalade(4X) COMPATIABLE VEHICLES - 6 lug wheel spacers 1 inch fit for 1995-2012 Chevrolet Tahoe 2000-2012 Chevrolet Suburban 1500 1999-2012 Chevrolet Silverado 1500 2001-2007 Chevrolet Silverado 1500 HD 2002-2012 Chevrolet Express 1500 2007-2012 Chevrolet Avalanche 6x139.7mm to 6x139.7mm wheel spacers:Thickness:1" or 25mm;Vehicle Bolt Pattern:6x5.5 or 6x139.7mm;Wheel Bolt Pattern:6x5.5 or 6x139.7mm;Thread Pinch:14x1.5;Inner Diameter:108mm wheel spacers 6x139.7mm:High quality alloy aluminum 6061 T6, to ensure the highest level of performance and durability for your vehicles. 6 lug wheel spacers:Each of our wheel spacers are built to last! Made from the best true T-6 billet aluminum. wheel spacers 6x5.5:The studs of our spacers are grade 10.9, heat treated and hardened heavy duty studs for safety.