This has been achieved by utilizing a unique propeller blade profile

Breathable to help allow interior moisture to escape

Arke: 14 Module Frame (7+7)

Circuit/External Resistor Height 7

Upgrade Kit: Q-Prop Propeller (5-blade) Plumb This has been achieved byQ Prop Upgrade Kit for 55S thrusters, 5 blade propeller, compositeLess noise, more thrust! Complete kit to upgrade your Side Power 55S thruster from a 4 blade prop to the newer, quieter and more efficient 5 blade Q prop. Can be adapted to all 55S models produced after 1998. Complete Kit Contains: Q Prop (1) Adapter (1) Zinc anode with bolt (1) Propeller drivepin (1) Propeller lock nut (1) Propeller washer (1)