RockTrix for Precision European - 4pc 1.5" Thick 5x135 to 5x4.5 Wheel Adapters Spacers (CHANGES BOLT PATTERN) with 87.1mm bore & 12x1.5 Studs (38mm Thickness, 5x135 Vehicle to 5x114.3 Wheel) [CHANGES BOLT PATTERN] These Adapter Spacers will only work for you if your vehicle is 5x135 bolt pattern AND your wheels are 5x114.3 or 5x4.5 bolt pattern. See description for other important information. [APPLICATIONS] 1997-2002 Ford Expedition. 1997-2003 Ford F-150. 1998-2002 Lincoln Navigator. 2001-2002 Lincoln Blackwood [SPECIFICATIONS] Pack of 4. 1.5" (38mm) Thickness | 87.1mm Hub Bore | 12x1.5 Threaded Studs/Nuts [BOLT PATTERN INFORMATION] 5x135 Vehicle Bolt Pattern | 5x114.3 or 5x4.5 Wheel Bolt Pattern [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.