4pc 12mm (1/2") Wheel Spacers | 5x100 | Hubcentric 56.1mm | for Scion FRS FR-S BRZ Baja Forester WRX Impreza Legacy Outback Saab 9-2x (56.1 bore) [APPLICATIONS] Scion FR-S. Subaru BRZ. 1997-2016 Forester. 1993-2016 Impreza (Non STI). 1990-2014 Legacy. 2000-2014 Outback. And Many More! See Description for Full List. [SPECIFICATIONS] Pack of 4. Thickness: 1/2" (12mm). Bolt Pattern: 5x100. Hub Bore: 56.1mm | Extended Wheel Studs (not included) are NEEDED for Proper installation [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. [PRODUCT BENEFITS] CNC Machined to exact specifications from Aerospace Billet Aluminum. Undergoes anodizing process to prevent corrosion. 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. [*** IMPORTANT ***] Extended wheel studs may be required. Buyers need to measure their OEM Stud prior to purchasing. We recommend your studs be at least 1.5" long in order to properly install this product. This may vary depending on what type of wheel you have installed. As always, sufficient thread engagement is required to properly secure the wheel to your vehicle.