SPECIFICATIONS: Set of 4, 1.50" Thickness, 5x4.5"(5x114.3mm)PCD (Bolt Pattern), 82.5mm Hub Bore, 1/2"x20 Studs. KAX Wheel Spacers are made from the best true T 6 billet aluminum, with heat-treated and hardened 10.9-grade bolts pre-installed. The anodized surface provides additional resistance to corrosion,VEHICLE FITMENT: This wheel adapter set compatible with Ranger , Explorer Crown Victoria , Cherokee Grand Marquis , Town Car Liberty , Edge Mountaineer , Taurus MKX ,Aviator Comanche , Cougar Grand Cherokee SAFETY & BENIFIT Set of 4 High Quality Wheel Adapters/Spacers allow extra clearance between the wheel and the wheel hub assembly increasing the offset which allows for larger tire installation to the vehicle. Wheel spacers also increase the vehicle's performance in terms of handling and traction. The further the wheel is from the hub assembly, the better its grip,COMPLETE KIT with EASY INSTALLATION: KAX wheel spacer set includes all the necessary bolts and lug nuts for a complete installation. Wheel spacers extend the wheels outward the vehicle giving it a more aggressive look, which also allows for large brake caliper installations or lifts/lowering kits,PLEASE NOTE: Recheck your vehicle compatibility (Year/Make/Model) in the Product Description BEFORE buying these wheel spacers. We provide professional Technical Services. Please our customer service team if you have any problems