ICHIBA Version II wheel spacers are made from Aluminum/Magnesium alloy. They are incredibly strong and very lightweight. Each wheel spacers are two pieces design with pressed studs. Now it's time to bolt-on without any swap studs hassles. These are hubcentric spacers that is specifically made to each vehicle; will fitted on your vehicle's original hub perfectly without any gap. Wheel spacers move the wheel out from the hub, effectively widening the stance of the vehicle and lowering its roll center. This simple modification increases lateral stability, which in turn provides improved handling & greater safety.
2004 Subaru Impreza WRX STI