The marine option is available as a complete kit that includes a blue specific to the marine application, color touchscreen hand-held, specialized O2 sensor bung and a die cast, four-injector throttle body that supports up to 650 horsepower. It easily bolts on to engines using a 4150-style carburetor while allowing users to keep running their current ignition system.?Also available are kits that include an inline fuel pump kit and a special adapter plate that allows for a simple bolt-in installation in a Mercury Marine wet exhaust system without any welding (fits most applications from the early 1980s to 2002).