4pcs 1.50" inch (38mm) 5x4.5 Black Wheel Spacers fits Jeep Wrangler TJ, YJ, XJ, KJ, KK, ZJ, MJ REQUIRED that youCheck your vehicle compatibility in Product Description BEFORE buying 4x Brand NEW BLACK Wheel Adapters Vehicle Bolt Pattern 5x4.5 Wheel Bolt Pattern 5x4.5 Hub Bore 82.5mm Thickness: 1.50" Inch (each spacer) Thread Pitch: 1/2" x 20 T6 6061 Billet Wheel Adapters 12.9 Grade Steel Threads Mainly used to give your vehicle an agressive stance, and will help with any clearance issues (if present) CNC Machined Usings Aerospace Aluminum