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BOOSTPOWER USA offers specialty complete CNC machined high performance race and pleasure marine engine blocks and deluxe engine block kits. We offer cast iron engine blocks and aluminum engine blocks for marine use. These marine blocks are fully CNC machined with precision and a great foundation for your marine engine. We also offer marine long-blocks, short-blocks, balanced rotating assemblies, custom cylinder heads, and all the other hardcore marine engine internal parts necessary to complete a reliable performance marine engine project. BOOSTPOWER’s years of dedication to technology along with our continuous building, dyno testing, competing and tuning these mighty power plants assures you of a winning reliable combination right from the start.