Sierra STT3601R Trim Tab Actuator & Control KitThe Sierra Trim Tab Actuator & Control kit offers an all electric design for reliability and a reduction in complexity. The intuitive dial controller features one tough buttons for simple operation. The actuators have a high electrical load capacity for precise tab positioning and maximum lift force. A simple 2 piece design minimized possible water ingress points with the rugged and stylish housing The wiring is potted and sealed for improved durability.Kit Contains: 2.25" Standard Actuators; Dial Controller; Harness (no tabs); Interchange:Lenco 15054-001