2018 GM Marine 4.3L LV1

GM engineers spent more than 10 million hours creating the technology within the 4.3L V-6 LV1 engine. Every millimeter of the combustion system was carefully designed to support the ideal combination of Direct Injection and Variable Valve Timing, making the most of power, torque, and efficiency.

An aluminum-block casting encapsulates state-of-the-art technology such as Direct Injection, Variable Valve Timing, high-pressure fuel pumps and more.