Skip to Main Content

Straight Line Big Bag 375 Ballast Bag

sku# 148778
Straight Line - Big Bag 375 Ballast Bag
Model Info
Select Color:
Please select a color

Prices displayed in U.S. dollars at checkout.

Lowest Price Guarantee

Product Info

Expand the versatility of your boat by adding the Straight Line Big Bag 375 Ballast Bag. Easy to fill, easy to drain, durable as heck and movable around your boat. It's a no-brainer to help shape your wake.

Product Details


SUMO Skin 1000DSUMO Sacs are made with SL's own flexible and puncture-resistant fabric, “SUMO Skin.” It has a durable 1000D polyester core that is heat laminated to lightweight PVC skins with a bonding agent. This sandwich construction is 150% stronger in tearing tests and 37% higher in tensile strength, making it incredibly durable.


375 lbs


65" x 14" x 14"


One Link Valve for Clean Filling/Draining On Each Bag

1” NPT ValveNew easy turning cap with a perfect watertight seal. Pressure tested up to 6 PSI. SL's 1” NPT ports allow built in ballast systems to fill, drain and vent quickly for hassle free operation.

SUMO Max Flow Link™ ValveThe new SUMO MAX FLOW valve is a 1 ½ Inch diameter high flow version of the Sumo LINK™ system. The SUMO Max Flow valve provides the same hassle free watertight connection to your Sumo Pump but with massive 50% LARGER intake. The Sumo Max system is 100% compatible with the classic Sumo and Big Bag ballast systems.

Recommended Bag Placement

Down the Center of Boat

Can Be Used on Deck or in Plug-n-play Applications

Additional Features

SUMO SeamsEvery SUMO sac is double welded to ensure a watertight seal. SL's tough SUMO Skin is overlapped and hot air welded. You can see the smooth and clean seams on the outside of every bag, and a second welding operation applies an inch wide sealing tape to the inside of every seam.


  • Material: Polyester
  • Bag Placement: Center
  • Capacity (lbs): 375
  • Length (in): 65
  • Width (in): 14
  • Height (in): 14



Related Buying Guides

icon-returns icon-ruler icon-ruler-mini icon-compatibility icon-location