Corvette Grand Sport Wheel in Black Fitment: 1988 C4 through 2013 C6 Corvette. Will NOT Fit C6 ZO6, Grand Sport or ZR1.Fitment provided for stock vehicles only.Wheel Size: 18x8.5Wheel Offset: 56Bolt Pattern: 5-120.65Hub Size: 70.3Backspacing: 6.95Center Caps: Center Cap IncludedFinish: Black Black Finish: The finish on this wheel is achieved through several different phases. The finishing process includes a black powder coat foundation followed by two layers of clear coat; not a one stage enamel. They have an absolutely beautiful finish with a superior sheen due to the additional layer of clear coat. The photograph does not depict the superior finish of the wheel.