RockTrix for Precision European - 4pc 1.5" Thick - 6x135 Wheel Spacers with 14x2 studs for 6-Lug Ford Expedition F150 F-150 Lincoln Navigator Mark LT Adapters [FITMENT] Can fit on many vehicles with 6x135 Bolt Pattern. See Description to see exact Year/Makes/Models. Do this prior to placing your order to prevent fitment problems. [IMPORTANT FITMENT INFORMATION] 1) Measure wheel gap for clearance. You will need at least 1.5" (38mm) of fender clearance to prevent the wheel/tire from hitting the fenderliner. 2) Measure your vehicle's wheel studs. It must be less than 1.5" (38mm). 3) Check the thread size of your vehicle's wheel studs. It must be 14x2. [SPECIFICATIONS] Set of 4. 1.5" (38mm) Thickness | 6x135 Bolt Pattern | 87.1mm Hub Bore | 14x2 Threaded Studs/Nuts [MANUFACTURING] CNC Machined to exact specifications from Aerospace Billet Aluminum. Undergoes anodizing process to prevent corrision. Includes pre-installed heat treated 10.9 grade studs. [PRODUCT BENEFITS] Gives your vehicle a more aggressive stance. Improves handling characteristics and stability. Fixes brake caliper clearance issues. Increases tire clearance to allow installation of wider wheels and tires.