B3- Bravo III Mercruiser (15.75 x 22") Solas Front Propeller, 1654-158-22The Solas B3 Dual propeller enhances your boats planing and hole shot, while still offering outstanding acceleration and top speed. This makes the B3 a perfect option for towing skiers and tubers. All of the B3 props are constructed with Solas exclusive stainless steel for the thinnest, strongest, and most durable blades. This dual drive design includes a larger diameter 4 blade front prop and a smaller diameter 3 blade rear prop for optimal