Polastorm Aluminium High Thrust 8.7" x 7" 4-Blade Propeller

Designed for Mercury and Tohatsu outboards in the 8–9.9HP range with a 2-1/2" gear case, this Polastorm 4-blade high thrust propeller delivers powerful low-speed thrust and precision control. The 8.7" diameter and 7" pitch are tuned for heavy loads, improved manoeuvrability, and slow cruising, while the Stella High Thrust blade geometry ensures superior stability and torque. Constructed from black-finish aluminium and fitted with a pressed-in rubber bush hub for smooth, quiet operation. Engine Fitment: Mercury / Tohatsu 8–9.9HP Gear Case Size: 2-1/2" Diameter: 8.7" Pitch: 7" Blades: 4 (Stella High Thrust geometry) Material: Aluminium (black finish) Hub: Pressed-in rubber bush Rotation: Right-hand Tooth Count: 12 Note: Thrust washer/spacer required (sold separately)