RockTrix for Precision European - 2pc 1.5" Thick 8x170 to 8x6.5 Wheel Adapters with 14x1.5 Studs for Ford: 03-12 F250 Super Duty, 05-06 F350 Super Duty, 03-05 Excursion (8x170 to 8x165.1 Spacers) [CHANGES BOLT PATTERN] These Adapter Spacers will only work for you if your vehicle is 8x170 bolt pattern AND your wheels are 8x165.1 or 8x6.5 bolt pattern. See description for other important information. [FORD APPLICATIONS] 2003-2012 F-250 Super Duty. 2005-2006 F-350 Super Duty. 2003-2005 Excursion [SPECIFICATIONS] Pack of 2. 1.5" (38mm) Thickness | 125mm Hub Bore | 14x1.5 Threaded Studs/Nuts [BOLT PATTERN INFORMATION] 8x170 Vehicle Bolt Pattern | 8x165.1 or 8x6.5 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.