SE116, LOWER HA (Replaces Mercruiser Gen II)We are generally able to ship the following business day however, during the summer there may be a delay. We will notify you by email of the current ship date. HA Will only replace 2. 00 or 2. 40 ratio units. Up to 300 HP. Uses the latest style speedometer fitting OE#860382. This part is not included and will be required to have a working speedometer. 3 Year Fault Free Warranty