Honda K-Series Engine Swaps: Upgrade to More Horsepower & Advanced TechnologyThe photos in this edition are black and white. The Honda K Series engine was introduced in 2001, replacing the B Series as the engine of choice for Honda enthusiasts. These new K Series engines are the most powerful stock Honda Acura engines you can get. They featured new technology including a roller rocker valvetrain, better flowing heads, and advanced variable cam timing technology that made these engines suddenly the thing to have. And that's