This Mercruiser (SEI) Alpha One Gen 1 Lower Unit is a reliable and powerful addition to your boat's propulsion system. With a 270 HP engine, it provides a smooth and efficient ride on the water. The unit comes from the trusted brand SEI and is designed for use with complete sterndrive outdrives. The warranty may have expired, but the quality and durability of this product remain unmatched. It is perfect for those looking to upgrade their boat's motor and achieve a smoother ride. This item is categorized under Sterndrive Motors & Components, Boat Parts, and Parts & Accessories on eBay Motors.