Volvo Penta Rebuilt Resealed Sp-C Single Prop Outdrive V8 1.61 to 1 Gear Ratio , Gear Ratio for 305 350 351 5.0L 5.7L V8 and some Diesel applications . This is a Big Pin Drive that will replace Sp-C C1 D D1 and E Drives This will replace Dp-C Dp-C1 Dp-D Dp-D1 Dp-E Drives if you're looking for a cheaper route to get back on the water .Drive has been completely gone thru , all new seals, Prop shaft seals , shift shoe seals, top cap seal, main drive seal , Brand New Forged USA Moog Universal Joints , New Large hinge pin bushings , standard 2 bolt helmet style ,26 spline universal joint yoke , fully inspected , Absolutely Flawless gear set, perfect bearings, Pressure and vacuum? tested cleaned , zinc Chromate primed and Volvo Penta Marine Painted