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America’s romance with high-performance cars may have begun with “Rocket 88” but that was a prototype to the inspiration the Beach Boys had with Chevrolet’s 409. Based on the “W-block” introduced for 1958, the 409 was a mid-year 1961 introduction that Chevrolet truly needed to compete with bigger engines from Ford, Pontiac, and Plymouth and Dodge. With only 360 horsepower, it still paled in comparison to the top Ford (a 390 with 401 horses), but which engine found itself in song? Which one developed the strong reputation on the street?

The 409 was replaced mid-year by the Mark IV 396ci big-block, so 1965 409s are quite uncommon—or in the case of the above 409/400 Biscayne, quite rare. You would think their obsolescence has created a gap in enthusiasm, but that’s simply not true because early 1960s Chevrolets continue to be one of the most popular collectibles no matter what engine.

For the 2025 Muscle Cars and Corvette Nationals, early Chevy performance fans were given a treat with a lineup that featured 409s from 1961-65. It’s easy to think that the inaugural introduction of the engine was only available on the Impala SS but, with the Biscayne two-door sedan pictured above, this clearly was not true.

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