Riverside Universal Kayak Replacement Foam Blocks

Size: 18 IN

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Members get an estimated $4.20 (10%) back on this item.
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Foam blocks have a non-skid laminate surface and cut out for rack bar--use with Riverside cartop carrier kits (sold separately)


  • Extra tall and slotted to hold kayak
  • Includes 2 blocks

Made in USA.

View all Riverside Rack Accessories

Technical Specs

Best Use



17.875 x 4.125 x 4.875 inches

10 reviews with an average rating of 3.9 out of 5 stars

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