Upper Unit Gear Set, Ratio 1.81:1

Upper Unit Gear Set. Drive Gear: 17 teeth. Driven Gear 19 Teeth. Ratio: 1.81:1. For: Alpha I Gen II 1998 & Up (s/n 0L00040 & Up). For: Mercruiser Vazer. Meets or exceeds manufacturer's recommended specifications. Backed by Sierra's limited lifetime warranty. For: Alpha I Gen II 1998 & Up (s/n 0L00040 & Up) For: Mercruiser Vazer Meets or exceeds manufacturer's recommended specifications Backed by Sierra's limited lifetime warranty