Viper V4 (13 7/8 x 15") Evinrude Johnson RH Propeller, 763929If you want speed, you want the Viper prop. It's longer swept blades and a large diameter give this prop a better grip on the water, faster acceleration, and greater top end speed. Excellent on any recreational boat, from runabouts and cruisers to deck boats. Equipped with pressed in rubber hub Versatile 3 blade performance Custom high luster finish Balance of speed and durability