This listing is for a New OBR Mercruiser Bravo I Lower Drive Shaft Assembly, which will fit models from 1995 to 2020. New lower drives are assembled with a combination of all new OEM and new aftermarket parts using only high grade American steel for gears and shafts. When placing an order, please specify gear ratio, cylinder, liter, and year. This unit is available with either Single or Dual Water Pickups in the following ratios: 1.36, 1.50, and 1.65.