AHJC-4V-DPT-H Marine ATLAS 4 Hydraulic Jack Plate - Set Back This hydraulic jack plate is designed to enhance the performance of your boat by allowing precise engine height adjustments. Rated for engines up to 300hp or weighing up to 625 pounds dry, the ATLAS jack plate is engineered for durability and ease of use. Why Choose the ATLAS Hydraulic Jack Plate? Considered the best hydraulic jack plate on the market. Factory installed by more boat manufacturers than any other jack plate. Preferred by professio