***KSP Performance Wheel Spacers Adapters W/H High Quality*** SPEC: Thickness: 1.5 inches / 38 mm Vehicle Bolt Pattern: 6x5.5' / 6x139.7 mm Wheel Bolt Pattern: 6x5.5' / 6x139.7 mm Thread pitch: M1/2X1.5 Hub/Center Bore: 106 mm COMPATABILITY:(Please check your vehicle compatibility BEFORE buying): 1996-2015 Toyota 4-Runner 2007-2015 Toyota FJ Cruiser 2001-2007 Toyota Sequoia 2001-2015 Toyota Tacoma (6 Lug Only) 2000-2006 Toyota Tundra IMPORTANT NOTICES: - It's recommended that buyers take the proper measurements to ensure that by adding the spacer, their wheel/tire won't hit the fender or any other part of the vehicle - Be sure to torque the lug nuts to manufacturer specifications - Avoid using an impact wrench; improper usage may cause damage to components - Re-torque all lug nuts after 50-100 miles of driving, then again every 2-3,000 miles. - Installation should only be performed by a trained professional.