YIZBAP 6x5.5 to 5x5.5 wheel adaptersThickness: 2 inch (50.8mm)Vehicle Bolt Pattern: 6x5.5 (6x139.7mm)Wheel Bolt Pattern: 5x5.5 (5x139.7mm)Thread Size: M14x1.5Hub Bore: 108mmPACKAGE INCLUDE:2 x wheel adapters (2 inch per unit) with 12 open end 14x1.5 thread lug nuts2x user manualCompatible with:1999-2023 Escalade1999-2023 Silverado 1 Tahoe2000-2014 Suburban 1 Avalanche2002-2006 Avalanche 1 Blazer2003-2014 Express 1 Express 2500(ONLY 6 Lugs)1988-2000 C2 K1 K2 Sierra 1 Suburban 1500 2015-2023 Yukon XL1991-2023 Yukon1999-2006 Yukon Denali2003-2014 Savana 1 Safari2019-2023 Ram 1500And more modelsNOTE: Please make sure that these are the correct application for your vehicle. We do not guarantee any fitment onto any vehicle, we only guarantee that you will receive the item described above.This spacer adapter includes open end lug nuts to secure the spacers onto your factory hubsIf your factory thread size is different from M14x1.5 - Need to purchase a set of open end lug nuts in the correct thread pitch (your factory thread pitch) to complete the installationYour Factory wheel studs may extend past the surface of the wheel spacers. In this case, you will need to:1) Shorten the factory studs2) The wheels need to have open slots (cavities) between mounting holes.3) Purchase a set of shorter studs and replace them with the factory studs.