1812ATP 18 x 12 Hydraulic Trim Tabs with ATPHydraulic trim tabs are known for power, precision and durability. Get the most from your boat, no matter what the load, speed or sea conditions. Using the helm control, you can adjust the tabs individually or in unison to create the perfect cruising attitude. Increase speed and fuel economy, smooth a rough ride and get on plane faster. Kits Include:(2) Trim plane assemblies(2-4) Hydraulic actuators(1) Hydraulic Power UnitHydraulic tubing and hardwareHelm control (Auto Trim Pro Control)Features:Get on plane fast and stay on plane at intermediate speedsCorrect listing and uneven loadsImprove visibility and safetyReduce pounding and eliminate porpoisingLow maintenance, long-term value and ease of serviceExclusive transom mount interlocking tab designSport batwing option (M80\/M120) provides 30% more liftBottom and piano hinge mounts are available for custom orderWARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.