The proprietary blade crafted carefully crafted mathematics masterpiece. It has a huge active propeller diameter that offers optimum performance and fuel potency over the varying speed for swish running, glorious grip, and mobility. Special high-strength material aluminum alloy promises strength and durability than ancient designed propellers. Layered with paint guarantees a great anti-corrosion factor. The IH-type prop has coiled aluminum duoprop splines compiled with Type 1 straight splines.
Use type F or FH stainless propellers for Volvo Penta 21661949 Helical IH9 Duoprop in boat engines more than 240 horsepower or the engine more than 38 knots speed equivalent to 45 mph.
Key Features
Made aluminum for extraordinary sturdiness with 4-layered paint ensures an outstanding anti-corrosion performance
Built to optimize performance, sturdiness, and luxury.
proprietary blade geometry with large active propellor diameter
robust and sturdy high-strength aluminum material
Three-blade front propellor and four-blade rear propeller
The hubs rubber bushing reduces propulsion pressure and minimizes stress on rough onshore terrain caused by gear movement and impact on the propeller
Product Specifications
SKU: 21661949
Weight: 17.20 LBS
Diagram Reference Number: 1
Brand: Volvo Penta
Material/Type: Aluminum Duoprop propellers, Type I, IH Series
This product replaces: IH9S, IH9
Number of blades: 3 and 4
Rotation: Left Hand, Right Hand
Position: Set
Duoprop Type: IH9
Volvo Penta Exploded view / schematic Duoprop Propeller, Aluminum, IH Series
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You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.)
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, please Contact Us with your order number and details about the product you would like to return. We will respond quickly with instructions for how to return items from your order.
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