The first High Performance and Custom Trade Show (what we now know as the behemoth SEMA Show) took place in January 1967 at Dodger Stadium. Among the 100 or so exhibitors on hand was this booth jointly promoting the high-performance parts available from Nickey Chevrolet in Chicago and Bill Thomas Race Cars in Anaheim.
http://www.hotrod.com/articles/nicke...ema-show-1967/