OrionMotorTech 6x135 Wheel Spacers with 14x2.0 Studs, Fits 2004-2014 Ford F-150 (Unfit 04-08 XL/XTL), 2003-2018 Ford Expedition, 2003-2014 Lincoln Navigator, 2006-2008 Lincoln Mark LT, Set of 4 SPECIFICATIONS ------ Bolt Pattern: 6x135mm (vehicle) to 6x135mm (wheel). Thread Pitch: 14x2.0. Thread Length: 34mm. Hub Bore: 87.1 mm. Thickness: 2". Quantity: 4 pieces. COMPATIBILITY ------ Fits 2004-2014 Ford F-150 (Unfit 04-08 XL/XTL), 2003-2018 Ford Expedition, 2003-2014 Lincoln Navigator, 2006-2008 Lincoln Mark LT BENEFITS ------ Provide your vehicle with a more aggressive stance and appearance while improving its handling and stability. They also increase tire clearance, fix brake caliper clearance issues, allow installation of lift/lowering kits and wider, larger, or high traction tires. INCREASED SAFETY ------ Machine-manufactured precisely from 6061-T6 aircraft-grade aluminum billet, with heat-treated and hardened 10.9 grade bolts pre-installed. The anodized surface provides additional resistance to corrosion. Exceptionally sturdy and lightweight compared to steel spacer. 100% SATISFACTION GUARANTEED ------ 3-year warranty. Contact our friendly and helpful customer service representatives if you have any questions, we will be glad to address any questions or concerns.