FEATURES

• Product replaces 520 Kayak Stacker.
• Four boat maximum capacity.
• Tying boats down is now easier than ever with the upper bridge design.
• Easy carrier transfer from vehicle to vehicle with proven universal hardware.
• For a clean look when not in use, The Stacker folds down flat.
• Includes one pair ratcheting tie downs, two straps and buckle protectors.
• Fits Thule bars, Yakima® bars, and most factory installed racks.
• May require the use of Xadapt3 (80 MM bolts) on some factory applications.Please consult your local retailer for further information.
• This item will require the use of Xadapt3 (80 MM bolts) on our XSporter (421/422) and Rapid Aero Bars.