(4) 1" 5x4.5 to 5x5 Hubcentric Wheel Adapters Spacers | fits JK Wheels on TJ YJ KK SJ XJ MJ Vehicle Bolt Pattern: 5x4.5 Wheel Bolt Pattern: 5x5 Hub Bore: 71.5mm Thread Pitch: 1/2" x 20 Thickness: Each Adapter Measure 1" Thick