Navy Anti-ventilation Plate

Navy Anti-ventilation Plate

Two-piece high-strength aluminum alloy plate, mounted to the lower units of Navy outboard motor to help increase performance by preventing surface air being sucked into the negative pressure side of the propeller blades. We recommend that you mount the anti-ventilation plate 2-3 cm above the apex of the propeller and below the waterline before the operation.

Thank you for shopping at Betts Boat Electrics. If you are not entirely satisfied with your purchase, we're here to help. handles returns and processes refunds in accordance with the Australian Consumer Protection legislation.


Should you wish to return your order, please notify us within 7 days of purchase with a valid reason for return. Your item needs to have the receipt or proof of purchase. Once we receive your item, we will notify you that we have received your returned item. We will notify you promptly on the status of your refund after inspecting the item. Refunds will be processed promptly and payment made by the same method that you made payment. All refunds are made at the discretion of



You will be responsible for paying for your own shipping costs for returning your item. Shipping costs are non­refundable.