Sparco's Wheel Spacers provide an excellent combination of superior handling, grip and accuracy. These exceptional wheel spacers broaden your vehicle's wheelbase and feature a special aluminum alloy construction. Sparco's Wheel Spacers are manufactured with an innovative technology that ensures a high strength-to-weight ratio. The wheel spacers are really very flat, because they were CNC-machined during the production process. In addition, Sparco's Wheel Spacers are heat-treated and anodized for maximum durability and protection from oxidation.