2 Pieces 20mm Wheel Spacers Adapers 4x100 Hubcentric w/ Hub Lip 56.1mm Bore, 12x1.5 Studs For Accord, Civic, Crx, Del Sol, Fit ,Prelude, Integra, Insight, DA DC2 EG EK EF, Chevy Aveo, Lancer, Mirage Please be sure to confirm the fitment & compatibitliy prior to purchase - If you are not sure if this is applicable to your vehicle -please feel free to ask us! QTY: 2 Wheel Spacers .Designed to improve the handling & appearance of your vehicle Made with high grade T-6 Aluminum - CNC machined with precised fit Carbon steel wheel studs- machine pressed (Extremely durable) Bolt on installation for 4x100 56.1 Hub Centerbore 12x1.5 application --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.