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Rhino-Rack Backbone Mounting System (07-18 Jeep Wrangler JK 4-Door)Find parts that fit my vehicle

Item J252154
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1 Reviews
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$279.99 set

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      Product Information

      Features, Description, Reviews, Q&A, Specs & Installation

      Features

      • Rhino-Rack Backbone Mounting System
      • Installs 2 Plates On Each Side Of The Jeep Bestop Sunrider Hard Top
      • For Use With The 52121 And 42121 Pioneer Platforms
      • Max Load Rating Of Up To 220 Pounds
      • Matte Black Finish
      • Includes Internal Support Frames And Fitting Hardware
      • Direct Replacement
      • Comes In Sets
      • Fits 2007-2026 Jeep Wrangler JK And JL 4-Door Models

      Description

      Heavy-Duty Support. The Rhino-Rack Backbone Mounting System is engineered to provide a strong, internal load-bearing structure that reinforces the roof area while supporting external cargo platforms for 2007-2026 Jeep Wrangler JK and JL 4-Door models. Designed to integrate with the Bestop Sunrider hard top, this system distributes weight more effectively and allows you to carry gear with confidence while maintaining proper roof integrity.

      Construction and Appearance. Finished in a durable matte black coating, this mounting system is built to withstand demanding use and exposure to the elements. The internal support frames are designed to tie into key structural points, creating a rigid backbone that helps manage loads of up to 220 pounds. Precision-engineered brackets, plates, and hardware work together to deliver a clean, low-profile installation while maintaining compatibility with Pioneer platforms and preserving a refined exterior appearance.

      Installation. Designed as a direct replacement solution, installation involves fitting internal support frames and external brackets using the included hardware. The system is engineered to install methodically, aligning with factory mounting locations and existing roof structure for consistent results. Its adaptable design supports a versatile installation process that prioritizes strength, accuracy, and long-term reliability when properly installed.

      Application. This Rhino-Rack Backbone Mounting System fits 2007-2026 Jeep Wrangler JK and JL 4-Door models. By providing a reinforced mounting foundation for compatible Pioneer platforms, it enhances cargo-carrying capability, improves load distribution, and supports confident transport of gear for work, travel, and adventure.

      Rhino-Rack RJKB3

      CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

      Installation & What's in the Box

      Installation Info

      What's in the Box

      • (1) Rear Bracket — Right
      • (1) Rear Bracket — Left
      • (2) Middle Brackets
      • (2) Internal Support Vertical — Front
      • (2) Internal Support Vertical — Rear
      • (1) Internal Support Base
      • (4) M8 Nyloc Nuts, Black
      • (8) M8 Flat Washers, Black
      • (4) Bracket Fixture Plates — LHRH
      • (8) M6 × 30 Counter-Sunk Hex Drive Bolt, Black
      • (4) M8 Spring Washers, Black
      • (4) M8 × 20 Hex Setscrews, Black
      • (10) M6 Flat Washers, Black
      • (2) M6 × 30 Socket Head Bolts With O-Ring
      • (2) Middle Bracket Foams
      • (2) Bracket O-Foams — Large
      • (8) Bracket O-Foams — Small
      • (2) Bracket Foams, Square
      • (10) M6 Nyloc Nuts, Black
      • (1) 4 Mm Allen Key
      • (1) 5 Mm Allen Key
      • (2) End Bracket Rear Foams
      • (2) Protective Foams
      • (4) M6 × 20 Hex Bolts
      • (4) M6 Spring Washers
      • (4) M6 Flat Washers
      5.0

      Customer Reviews (1)

      Questions & Answers

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      Will It Fit My Wrangler

      • JK Rubicon 4 Door - 07, 08, 09, 10, 11, 12, 13, 14, 15, 16, 17, 18
      • JK Wrangler 4 Door - 07, 08, 09, 10, 11, 12, 13, 14, 15, 16, 17, 18

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