Polastorm Aluminium 10.3" x 13" 4-Blade Propeller

Built for Mercury outboards in the 25–70HP range with a 3-1/4" gear case, this Polastorm 4-blade propeller delivers excellent thrust and smooth low-speed control. The 10.3" diameter and 13" pitch provide strong acceleration and reliable cruising speed, while the MEGARA blade geometry ensures stable, responsive handling. Constructed from black-finish aluminium and fitted with a pressed-in rubber bush hub for smooth, quiet operation. Engine Fitment: Mercury 25–70HP Gear Case Size: 3-1/4" Diameter: 10.3" Pitch: 13" Blades: 4 (MEGARA geometry) Material: Aluminium (black finish) Hub: Pressed-in rubber bush Rotation: Right-hand Tooth Count: 13 Note: Thrust washer/spacer required (sold separately) Category: C