RockTrix for Precision European - 4pc 2" (50mm) Thick - 6x139.7 Silver Wheel Spacers with 12x1.25 Studs for Infiniti QX4 QX56 Nissan Armada Frontier Pathfinder Titan Xterra (6x5.5") [FITMENT] Can fit on Infiniti & Nissan vehicles with 6x139.7 or 6x5.5 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 2.0" (50mm) of fender clearance to prevent the wheel/tire from hitting the fenderliner. 2) Measure your vehicle's wheel studs. It must be less than 2.0" (50mm). 3) Check the thread size of your vehicle's wheel studs. It must be 12x1.25. [SPECIFICATIONS] Set of 4. 2.0" (50mm) Thickness | 6x139.7 or 6x5.5 Bolt Pattern | 108mm Hub Bore | 12x1.25 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.