The Lectrotab Smart Tabs SX Composite Black trim tab system is designed for 13 to 15 foot boats with 30 to 40 HP engines, delivering fully automatic stabilization and trim correction without manual adjustment. Using nitrogen gas actuator technology, the system improves acceleration, reduces bow rise, and enhances overall ride control. Its composite construction resists corrosion while providing lightweight durability for long-lasting marine performance. Features:• Automatic trim stabilization adjusts while underway• Speed-sensitive system operates without manual controls• Nitrogen gas actuator design eliminates hydraulics• Composite construction resists rust and corrosion• Quick installation using basic hand tools• Complete kit includes trim plates and actuatorsSpecs:• Application Range: 13'-15' boats, 30-40 HP• Color: Composite Black• System Type: Automatic trim tab stabilizer• Actuation Style: Nitrogen gas actuator system• Construction: Molded composite materials• Installation Requirement: Drill and Phillips screwdriver• Kit Contents: 2 trim plates, 2 actuators, mounting hardware Quick install system Hydraulic-free operation Automatic trim correction | Lectrotab Black Smart Tabs SX F/13-15 ft Boats, 30-40 HP