The Honda Ridgeline is a sport utility truck SUT by American Honda Motor Company, Inc. and is categorized by some as a lifestyle pickup. The Ridgeline is one of only two trucks currently produced by the Honda Motor Company, the second being the Honda Acty mini truck. The Honda Ridgeline is built using a unibody frame, a transverse mounted engine.The Honda K series engine is a line of four cylinder four stroke car engine introduced in . The K series engines are equipped with DOHC valvetrains and use roller rockers to reduce friction. The engines use a coil on plug, distributorless ignition system with a coil for each spark plug. This system forgoes the use of a conventional distributor .