Pontiac joined the American big block V8 rivalry with its rare 421 Super Duty engine, showcasing its dominance on the track in the early '60s. The high-revving 421 V8 boasted impressive specs ...

Prices shown are the prices you can expect to pay for a 1962 Pontiac Grand Prix 2 Door Hardtop (421) Super Duty across different levels of condition. Edit options.

the 1962 Pontiac Catalina, especially the rare variety that sported the 421 Super Duty engine under the hood. Let’s explore the features of this trailblazing car, the history that surrounds it ...

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The 326 was the inaugural base engine for the Pontiac Firebird's debut, supplying it with 250 horsepower, which was impressive at the time. The 421 would become renowned after being used by Joe ...

The early sixties were hot times over at General Motors, given the dominance instituted by Pontiac and Chevrolet ... upward of that landmark), the 421 Super Duty V8 was already on the brink ...