The D&J Heavy Hauler Ready Run engine is designed to provide reliable performance for your diesel engine needs. This engine begins with a Heavy Hauler Long Block and adds a range of BD components to prepare it for installation. Including an upgraded Screamer performance turbocharger with two-piece heavy duty manifold, designed to provide increased air flow! The Heavy Hauler engine also includes a high-pressure fuel system, from the CP3 pump to the injectors, while a new water pump and valve cover complete the package. Each engine is meticulously built with precision and care, ensuring quality and peace of mind for those seeking exceptional performance.