The International Hot Rod Association (IHRA) is the second-largest drag racing sanctioning body after the National Hot Rod Association (NHRA). The IHRA was formed in November 1970 by businessman Larry Carrier. Throughout this period the organization was operated primarily in the south-eastern United States from its headquarters in Bristol, Tennessee. The IHRA initially followed the NHRA's professional class structure of Top Fuel, Funny Car and Pro Stock until the 1984 season when it decided to drop the premier Top Fuel category, an arrangement that only lasted three years before the class was reinstated for the 1987 season. Carrier is also credited with initiating drag racing's long-term sponsorship association with the R.J. Reynolds Tobacco Company's Winston brand, which has ended. More information...
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