Features & Details Enhanced Driving Safety: These wheel spacers increase the axle track by 1.5 inch, widening the wheel track to lower the vehicle's center of gravity. This effectively solves severe body sway during high-speed cornering, significantly improving the vehicle's grip, stability, and handling. Product Specifications: Our wheel adapters includes 4 wheel spacers, each with a thickness of 1.5 inches (38.1mm), a bolt pattern of 6x5.3 inches, a hub bore of 3.07'' (78.1mm), and a thread pitch of M14x1.5. Please carefully check your vehicle's manual specifications before purchasing to ensure compatibility. Wide Compatibility: These wheel spacers are compatible with many Chevrolet, GMC, and Cadillac vehicles from 1995 to 2023, including: Chevrolet: 2003-2014 Express 1500, 1995-2000 Tahoe 4WD, 2001-2023 Tahoe, 2007-2013 Avalanche, 2002-2006 Avalanche 1500, 2015-2023 Suburban, 2000-2014 Suburban 1500. GMC: 1999-2023 Sierra 1500, 2000-2023 Yukon, 2015-2023 Yukon XL, 2000-2014 Savana