MARINE COATED STARTER FITS MERCRUISER INBOARD STERN DRIVE GM 5.0L 5.0 305 50-12121A2 100% NEW and Made with the Highest Quality Components Available Full One Year Warranty Computer tested for consistent Quality and unsurpassed reliability Starter - Voltage: 12V Rotation: Clockwise Teeth On Drive / Splines: 11 Source: Aftermarket