Bob's Machine 4" Action Series Hydraulic Kick-Back Jack PlateBob's Kick-Back Plate 4" Action Series Hydraulic Kick-Back Jack Plate is a compact, heavy-duty hydraulic setback system designed to improve shallow water performance while helping protect your lower unit from impact damage. Built with Bob's patented KickBack design, this jack plate allows the motor to react when striking submerged objects, helping reduce potential damage while maintaining smooth, controlled operation on the water.Engineered for durability and precision, this unit features Delrin rollers, bushings, and bearings for smooth movement, along with greaseable pivot points for easy maintenance. The 4" setback configuration provides a tighter profile for boats requiring a more compact installation while still delivering strong hydraulic lift performance.Key Features: Patented Kick-Back hydraulic design; Action Series construction; Compact 4" setback profile; No springs or chains required; Delrin rollers, bushings, and bearings for smooth operation; Greaseable pivot points; Locking pins for reverse and trailering; Motor tether attachment point for safety; 30 tilt capability; Built for shallow water protection and impact resistance; Specifications: Setback: 4"; Hydraulic Stroke: 6"; Built-in Lift: 1.5"; Total Lift: 7.5"; Max Horsepower: Up to 150 HP; Mounting Pattern: BIA; Unit Weight: 48 lbs; Pivot System: Greaseable (zerk fittings); Bearing System: Delrin bushings, rollers, bearings; Warranty: Limited lifetime structural + 3-year pump warranty;