The world’s first-ever glimpse of a pony car happened in the spring of 1964 when the first Ford Mustang was unveiled at the New York World’s Fair on April 17. The first generation (1964½-1973) of the Ford Mustang redefined what an American performance car was. It experienced significant evolution throughout its 8½-year run, and includes some of the most iconic and beloved cars in automotive history. From the notchback coupes and convertibles, to the Carroll Shelby performance-infused fastbacks, the 1st Gen Mustang gave us all-time automotive heavyweights like the 1967 Shelby GT500, the 1968 Mustang GT-390 “Bullitt,” the 1969 Mustang Boss 429, and the original “Eleanor”—the 1973 Ford Mustang Mach 1. From the 260-cubic-inch V8 in the ‘64½ to the 428 Cobra Jet in ’68 to the launch of the Boss 302 and the legendary 351 Windsor in 1969, the first generation of the Ford Mustang is like one long Detroit-made automotive highlight reel. Here are some of the most common upgrade and repair parts for 1964½-1973 Ford Mustangs.