Vintage 1964 US Road Racing Championship official program from the Riverside International Raceway event held on April 25-26. This rare piece of motorsports history was conducted by the California Sports Car Club Region of SCCA and features a striking cover illustration of a Shelby Cobra at the start-finish line. The interior is filled with period-correct photography, including a "Photostory" section featuring legendary drivers and cars like Roger Penske in the Zerex Special, Jim Hall in the Chaparral, and Dave MacDonald in the Cooper-Cobra. The back cover showcases a classic advertisement for the Sunbeam Alpine by Rootes.

Event: US Road Racing Championship
Venue: Riverside International Raceway
Date: April 25-26, 1964
Organization: SCCA / California Sports Car Club
Featured Cars: Shelby Cobra, Chaparral, Zerex Special, Alfa Romeo
Key Figures: Roger Penske, Jim Hall, Dave MacDonald
Content: Race Program, Photography, Vintage Ads
Era: 1960s
Origin: Riverside, California
Format: Softcover Booklet
Subject: Automotive Racing

Keywords: Motorsports, Grand Prix, Can-Am, Carroll Shelby, Racing Memorabilia, Mid-Century, Automotive Ephemera, Sports Car Graphic, Road & Track, Vintage Advertising