2pc 25mm (1") HUBCENTRIC Wheel Adapters Spacers - 5x100 to 5x114.3 - for Scion FR-S Subaru Baja Forester WRX Impreza Outback Legacy Saab 9-2XBRZ (56.1 bore) [CHANGES BOLT PATTERN] These Adapter Spacers will only work for you if your vehicle is 5x100 bolt pattern AND your wheels are 5x114.3 or 5x4.5 bolt pattern. See description for other important information. [SPECIFICATIONS] Pack of 2. 1.0" (25mm) Thickness | 56.1mm Hub Bore | 12x1.25 Threaded Studs/Nuts [BOLT PATTERN INFORMATION] 5x100 Vehicle Bolt Pattern | 5x114.3 Wheel Bolt Pattern [HUBCENTRIC DESIGN] Ensures exceptional wheel balance and eliminates chance of vibration. The 56.1mm bore ensures a tight fit on the hub. And the 56.1mm wheelcentric lip functions as an extension of the hub. [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.