(4) 2" (50mm) Wheel Adapters 5x4.5 to 5x5 Adapters Fits JK Wheels Onto TJ YJ Hubcentric 4x Brand NEW Wheel Adapters Vehicle Bolt Pattern 5x4.5 Wheel Bolt Pattern 5x5 Hub Bore 71.5mm Thickness: 2 inch (each spacer) Thread Pitch: 1/2" x 20 HUBCENTRIC Wheel Spacers With Wheel Centric Lip T6 6061 Billet Wheel Adapters 12.9 Grade Steel Threads Mainly used to CHANGE YOUR BOLT PATTERN, and give your vehicle an agressive stance, and will help with any clearance issues (if present) CNC Machined Usings Aerospace Aluminum