B2Designs 15mm 1pc bolt on wheel spacers for Infiniti / Nissan (5:114.3 / 66.2 Bore / 12x1.25 Thread Type) for Infiniti FX35, FX45, G35, I35, I30, J30, M30, M35, M45, Q45; Nissan Altima, Maxima, Murano, 350Z, 370Z, 240SX 95-98, 300ZX Note: Sold as a pair. Wheel spacers are made from Aluminum/Magnesium alloy. They are incredibly strong and very lightweight. 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. Spec: Bolt Pattern: 5/114.3 Center Bore: 66.2 Thread: 12x1.25 Note: Sold as one pair (2pcs) with 10pcs nuts