12x9 Performance Sport Tab SystemManufactured with heavy-gauge reinforced stainless steel and powerful hydraulic actuators. Performance Tabs combine strength, durability, and good looks to achieve your boat'smaximum potential.Features:Get on plane fast and stay on plane at intermediate speedsCorrect listing and uneven loadsReduce pounding and eliminate porpoisingImprove visibility and safetyLow maintenance with long-term valueWhat's Included?(2) Trim plane assemblies(2-4) Hydraulic actuators (A1101ARC)(1) Hydraulic power unit (V351HPU1)Hydraulic tubing and hardwareOptional helm control (See the Control Options tab)