Kayak Stacker
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


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

Add Accessories to Your Rack

SKS Lock Cores-2 Pack

SKU: #8007202 $40.00 2 SKS Lock Cores


SKU: #8007237 $59.00 10-Foot Locking Cable

BoatLoader EVO

SKU: #8004085 $109.00 Side Load Assist Bar For Corebar Or Roundbar
Spare Parts

Don't Worry, We Have A Spare


SKU: #8860050 $18.70


SKU: #8860051 $12.10


SKU: #8860052 $5.50


SKU: #8860053 $7.70

T BOLT1/4"X3"

SKU: #8860061 $5.50

Heavy Duty Straps

SKU: #8005006 $33.00 Extra-Strong Tie-Down Strap With Rubber Covered Buckle
Showing 1-3 of 6


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    Held tight!

    Review by Drew Posted on June 15, 2016

    We recently purchased four sit on top kayaks and were very excited to take them on vacation with us. We loaded up our Durango with all our stuff and the kayaks strapped to roof with our brand new BIGSTACK. First time we have used it. We end up driving through some of the craziest winds! It was more
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    bigstack works

    Review by 4Kayaks Posted on March 29, 2016

    I've had this for a couple years now, works great! put it on a 2013 naked roof Equinox. 60 inch bars with Q towers. I have had 4 kayaks on it many times, 3+ hour road trips, including 65-70 mph highway. I suggest following the instructions - the way you wrap the kayaks to the bigstack and spacing more
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    Review by Reid Posted on September 24, 2015

    For whitewater boating, the Bigstack is the only accessory I would buy. The cradle systems take up too much space (which means you can only fit 2 kayaks on top) and the regular stackers don't have loops, so your cam straps always slip off when you're trying to load. The Bigstack also has a pad more
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    Easy to Install

    Review by Kenny Posted on June 4, 2015

    I needed a way to transport multiple kayaks on our Equinox and after I looked at my options decided to go with the BigStack. I was very nervous the first time I used it but the instructions for installation were a breeze and it's worked wonderfully every time. The kayaks stay secure and I love that more

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