It was a display of Pontiac's dominance in the early '60s and could be purchased as a crate engine and used in racing. According to the official NHRA championship drag racing website, the first ...

The Pontiac Firebird debuted in 1967 during ... and Chevrolet still offers a high-output 350 crate engine capable of 333 horsepower and 381-pound feet of torque. This particular Firebird was ...

Also, there's no visible gap underneath the intake, and cranking the engine with the distributor cap off reveals a clockwise distributor rotor rotation, opposite of the Pontiac 350. Finally ...