Light Duty 4-Stroke BracketAdjustable aluminum outboard motor bracket works with 4- stroke motors up to 15hp or 2- stroke up to 20hp, max weight of 132lbs. This black, hard-coat anodized aluminum bracket is built to handle the increased torque output of today's 4-stroke engines. Twist-knob Safety Locks provide increased torque rating while helping secure bracket in place. Motor's weight is counterbalanced by heavy-duty stainless steel torsion springs for easy lifting. The 55-0407AL boasts a 2"-thick, extra-wide, weatherproof and maintenance-free polypropylene mounting board along with aircraft-type stainless steel hardware. Four-position lock bar and 10" of travel allows for better range of trim adjustment, letting you fine tune motor height for optimal performance. Rated for long or short shaft engines.