4Pc Toyota 2" 51 MM Thick Hub Centric Wheel Spacers Tacoma Tundra 4 Runner Black 4 New Black Hub Centric Wheel Adapters Bolt Pattern: 6x139.7mm (6x5.5") Hub Bore: 106 mm Spacer Thickness: 50mm (2.0 inches). Stud/Nut Thread Pitch: 12x1.5 The correct OEM way to add adapters to your truck These will not vibrate and are specifically designed for the following Toyota Trucks Suv's: 4Runner Tacoma FJ Cruiser Tundra Sequoia Designed to move the wheels further out from the hub, giving your vehicle a more aggressive stance & allows for better handling characteristics Made In The USA Other sizes available 1", 1.25", 2", 2.5", 3", 3.5", 4" Thick.