Bravo Three XR (15 x 22") Mercury RH Rear Propeller, 48-8M0073459This robust set of counter rotating, stainless steel propellers was designed for use on big boats with big power. A large diameter four blade front propeller coupled with a smaller diameter, three blade rear propeller provides unmatched acceleration, tracking and handling. Enormous cup built into the trailing edges of both front and rear props results with tremendous planing performance and enhanced fuel economy. The enhanced cup is especially useful