Vance Manufacturing Static Jack Plates – 5 inch Vertical Extension
The 5-inch vertical extension allows the motor to be mounted 5 or 6 inches higher than the standard mounting height on the transom. It is a must for conversion from prop to jet drive. Another application includes mounting the 5-inch vertical extension motor mount on a hydraulic jack plate to raise the motor higher on shallow-running boats that are equipped with tunnel extensions. The extension is constructed of extruded 6061-T6 aluminum alloy ½-inch-thick aluminum. The hole pattern pre-drilled into this unit is listed below in inches: