SKU: #8004041


Now the entire posse only needs to mount up on one vehicle. The BigStack lets you carry up to 4 boats on your roof, or use that room for other gear for a multi-sport adventure. Folds down for better aerodynamics when not in use. HullGuard™padding keeps your boats safe and universal mounts fit nearly any shape crossbar.

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  • Product Details
  • Installation
  • Accessories
  • Spare Parts
Product Details


Product Details
  • Folds down when not in use for better aerodynamics and easier access to your garage
  • Universal built-in hardware fits round, square, factory and aerodynamic crossbars right out of the box. Optimized for aerodynamic bars.
  • Top-of-the-line Hullguard™ padding keeps your boat protected during transport
  • SteelCore™ construction uses a steel tube frame for superior strength
  • AnchorHead™ tie down feature makes it easy to manage straps with multiple kayaks
  • Includes Heavy-Duty Straps and Bow/Stern Tie-Downs
  • Premium heavy-duty straps with coated metal buckles protect boat and vehicle
  • Great for carrying multiple whitewater boats
  • Lockable with SKS Lock Cores (sold separately)
  • Minimum crossbar spreads of 24" or more

Product Specs
  • Weight: 7.80 lbs
  • Dimensions: L 6.00in x W 5.00in x H 22.00in


Installation Details
  • Base Rack System Required
  • 10 Minute Install
  • Some Assembly Required
  • Tool-Free Install
Resources / Manuals

Your System, Your Way

SKS Lock Cores-2 Pack

SKU: #8007202 $40.00

Allows you to lock 2 Yakima items with just one key.


SKU: #8007237 $59.00 This 10' cable secures boats and paddles to your roof rack.

BoatLoader EVO

SKU: #8004085 $109.00
  • Load-Assist Roof Rack Accessory
  • Telescoping Bar for Easy Boat Loading
  • Extends 28" from End of Bar
  • Fits Yakima CoreBar & RoundBar Only
Spare Parts

Don't Worry, We Have A Spare


SKU: #8860050 $18.70 Spare part for boat mounts (1 line)


SKU: #8860051 $12.10 Spare part for BowDown


SKU: #8860052 $5.50 Spare part for FreshSesh


SKU: #8860053 $7.70

Spare parts for specific universal water and snow mounts

T BOLT1/4"X3"

SKU: #8860061 $5.50 Spare part for BowDown

Heavy Duty Straps

SKU: #8005006 $33.00
  • Multi-Purpose Cargo Straps
  • Holds Boards, Boats, & Other Loads
  • Box-Stitched Webbing & Buckle
  • 16 Feet In Length
  • Sold As A Pair
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