FATSAC V-drive Fat Sacs - Pair - 400lbs Each - Gray [W701-GRAY]V drive Fat Sacs Pair 400lbs Each Gray Sold as a set of two 400 lb ballast bags, the FatSac Series V Drive Sacs Set works well in the rear lockers of v drive boats or split up with one bag in the bow of the boat and one in the rear area. The FatSac Series V Drive Sacs are sold as a set and are designed to fit in the compartments on either side of the engine in v drive boats. The V drive ballast bags are perfect for building massive wakeboarding and