"Peak horsepower" refers to the maximum amount of power that an engine can generate in its most efficient state.
Sentences with «peak horsepower»
The extra lift and longer duration provide the added air and fuel the engine needs to produce high peak horsepower and a broader torque band. (hondanews.com)
While peak horsepower hasn't changed, the torque is up by 4 lb. - ft. (roadandtrack.com)
It likes to rev and is happiest at the top of the rev range where peak horsepower is found. (autoweek.com)