The Gas Filled Lift Support - Sierra Marine Engine Parts (GS62780) from SeaStar Solutions is reliable, durable, and high-quality. This boat product does not harm the boat engine but only assists in the smooth and safe operations of the boat. This Gas Filled Lift Support from SeaStar Solutions is an energy storage device that creates energy by compressing gas inside a cylinder. When the device is closed, the energy is stored; while when opened, the energy is released to raise a hatch, hood, liftgate, or trunk, holding them safely in an open position. Key Features: Strong, reliable, and high-quality material Constructed for quick and simple use Improves boat engine performance Functional in marine environments Marine Grade Gas-Filled Supports Annealed steel rods Nitride coated for corrosion resistance Engineered polymer rod ends Bronze bushings Multi-lobe internal seal Exact fit OEM replacement Product replaces: 49-62780 GS62780 GS6278 80828213439 808282134396 11-GS62780 Product Specifications: Brand: SeaStar Solutions SKU: GS62780 UPC: 808282134396 Weight: 0.45 LBS Extended Length (Inches): 20 OEM Number: GSNI-5300-30 Rated (Lbs): 30 Compressed Length (Inches): 12 Manufacturer Part Number (MPN): GS62780 Stroke: 8 inches End Type: 10mm socket Marine Grade Gas Filled Supports Annealed steel rods, nitride coated for corrosion resistance Engineered polymer rod ends Bronze bushings Multi-lobe internal seal Exact fit OEM replacement