The Curb Agajanian Performance Group is an American motorsports team, currently competing as a co-entrant in IndyCar and IMSA. It is owned by record executive Mike Curb and racing personality ; son of the late J. C. Agajanian, a race promoter and race car owner. It has fielded an IndyCar entry or co-entry in various races since 2001. Curb also was involved with NASCAR in both the Xfinity Series and Sprint Cup Series, owning Curb Racing from 1984 to 2011. Curb had several business partners in the NASCAR operation over the years, including Agajanian from 1998 to 2006.