The 421 was officially rated at 405 horsepower, but a Motor Trend road test found the engine's output to be around 60hp more ...
Pontiac is no more today ... The car comes with the iconic 421 V8 and triple two-barrel carbs. It's not the 'High Output' version of the engine, though, so this muscular classic puts down ...
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 ...
Pontiac first offered the 2+2 as an engine, suspension, and trim group in 1964. Things heated up for '65, when a 421-cubic-inch V8 (6.9-liter) became a standard part of the option package.
Prices shown are the prices you can expect to pay for a 1963 Pontiac Tempest 2 Door Coupe AFX (421) S/D Aluminum Front End across different levels of condition. Edit options.