Crossword puzzle clue "extreme action"

It doesn't convey ferocious fuel-burning action, action, action! when it's regular-sized

Extreme action

Go ___ (take extreme action)

Piece of the action, or a shout that stops the action

Who said "Action may not always bring happiness, but there is no happiness without action."

"Extreme Makeover" network

Regard with extreme aversion

Extreme rarity on a par-4 hole