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W703 Pro X Series Side Sac (Set of 2)

Original price was: $329.99.Current price is: $281.99.



The Fly High W703 Pro X Series Side Sac (Set of 2) is 260 lb ballast bags that are great for adding weight in compact compartments such as the ski locker, under seats, or next to the direct drive motor.

The W703 Pro X Series Side Sac (Set of 2) fit along the side of the engine compartment on direct drive inboard boats but will also fit under the seats and in compact storage compartments in many boats making them ideal for stashing weight where it will be hidden.

One of the more versatile wakeboard ballast bag sizes from Fly High, the Side Sac Set can be used in multiple locations throughout the boat to add additional ballast where it’s needed, and since they’re sold as a pair, you get a great value.

The narrow profile of the side sacs also make for a more compact fit than a 400lb. V-Drive Surf Sac or the 750lb. Fat Sac making them a perfect anywhere space is tight.

Fly High FATSAC Ballast Bag

Ballast Bag Port Placement

To the left are the approximate locations of the ports on this Fly High FATSAC Ballast Bag.

Hand Crafted Quality

Made in Milwaukee

FATSAC ballast systems are the original choice for Wakeboarding and Wakesurfing. Trusted by leading boat manufacturers, FATSAC offers consumers a line of superior products developed through careful research and testing. Our products are specifically designed to provide added safety, convenience and improved performance without causing damage to your boat. By using our advance cutting machine, welding system and Valmex material, we can assure you that your FATSAC will be extremely durable and of the highest quality. FATSAC, crafted right here in Milwaukee, is your ballast solution.


W709-SUPA video test

Product Specs

Size 48″L x 12″W x 12″H
Weight 260 each / 520 total lbs.
Ports 2 fill/vent – 1 drain
Warranty 1 Year
Manufacturer Fly High
Manufacturer Part # W703


Weight 10 lbs

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