Is the 401 Nailhead a Big Block?

The Nailhead is not a big block. Buick small blocks are 215, 300, 340, and 350.

Is the Buick 401 nailhead a good engine?

Our 401 Buick Nailhead engine is a good, unusual, high performance street rod engine with lots of torque, and with it's own unique look.

How much horsepower does a Buick 401 nailhead have?

A 325hp 401ci nailhead was introduced for 1959 in the high-line Invicta and Electra models with the odd moniker Wildcat 445, referring to 445 lb-ft of torque. The Wildcat name and torque output would designate all nailheads built through 1966.

Alexander Ross

Alexander Ross

Gaming, Esports & Interactive Media Writer

Alexander Ross has covered the video game industry for a decade, writing deep dives on game design, esports tournaments, VR developments, and gaming culture.