Sterndrive Engineering 304 Johnson/Evinrude V4 Early Model Repl Lower UnitNote for purchasing: You must verify your Gear Ratio. Call for application assistance if needed, and have your engine serial number ready when calling.The SEI 304 replacement lower unit is designed for use with early Johnson/Evinrude models from 1978-1996. The 300 series gearcases utilize a two-piece driveshaft construction. The upper shaft is not included. For models 1993 and newer the OMC upper driveshafts are compatible. Compatible drive shafts are available. The gearcases are not supplied with a water pump of shift shaft. OMC shift shaft and water pumps are compatible with all SEI 300 series gearcasesSpecifications: Engine Type: V4 90; Gear Ratio: 2:01; Rotation: Standard Right Hand; Bullet Diameter: 4-1/4"; Item is subject to a 20% restocking fee (Boat Covers, Bimini Tops, Outdrives, Drop Ship Items and Special Order Parts)!**Year, Serial Number, and Horsepower are required to order. Please contact us with this information after you place your order otherwise processing will be delayed.