Polastorm Polaflex Interchangeable Hub Kit is a high quality propeller bush that constructed from rubber (not plastic) to help softer shifting into gear, reduce vibration and improve impact deflection. They have tough brass bronze splines, not aluminium as found in some lesser brands.
Polaflex can be fitted to applicable propeller unit to create a complete propeller assembly. Designed to fit all Polastorm propellers, these kits are also fit Solas, Michigan Wheel, Turning Point and Mercury propeller blade unit. Note: always grease the propeller shaft before fitment.