T-H Marine's ATLAS hydraulic jack plate is truly the next generation in jack plate design, built for the heaviest and most powerful outboard engines on the market today, even the big four-strokes. Our innovative high tech engineered polymer rod and slot lifting design guarantees trouble free action. This plate also features the newest concept in one-piece hydraulics from the most respected name in hydraulic design, providing the best of all worlds: Speed and Self contained lifting action. This all new pump will lift the heaviest outboard from bottom to top in less than 8 seconds.