Customadeonly 4x114.3 (4x4.5) 66.1 Cb 12x1.25 Studs 15mm Hub Centric Wheel Spacers for Nissan 240sx S13 Sentra Maxima 200sx 280zx QTY: 1 Pair. Improve the handling & appearance of your vehicle CNC machined with precise fitment & consistent quality Made with high quality T6 Aluminum Carbon steel wheel studs- machine pressed (Extremely durable) Factory Studs may need to be shorten to complete installation Bolt on installation for 4x114.3 66.1 cb 12x1.25 studs application, Machine pressed carbon trade 10.9 studs- Extremely durable -All lug nuts should be properly tighten with factory torque spec. Average 80-90lb Your Factory wheel studs may extend past the surface of the wheel spacers. In this case, you will need to: 1) Shorten the factory studs 2) The wheels need to have the open slots (cavities) between mounting holes. 3) Purchase a set of shorter studs and replace them with the factory studs.