T-H Marine Hi-Jacker Jack Plate The T-H Marine Hi-Jacker Jack Plate is the most recognized brand name in the industry. This plate is constructed of tough 38 aircraft aluminum and features a design that allows full tilt with dual steering. All bolts are stainless steel with brass nuts to prevent galling. The Hi-Jacker Jack Plate fits all V-4 and V-6 engines up to a maximum of 150 Horsepower. Provides 4-34 of setback and 4 of vertical adjustment. Features Two Piece Design 38 Aluminum Natural Alumi