Rhino-Rack Backbone Mounting System (INTERIOR)

2018–2025 Jeep Wrangler JL 2.0L Turbo, 3.6L V6, 6.4L 392, 3.0L EcoDiesel

Part #: RJLB1

Overview

The Rhino-Rack Backbone Mounting System is a robust interior mounting solution designed specifically for the Jeep Wrangler JL models from 2018 through 2025. Engineered to enhance the vehicle’s load-carrying capability, this system integrates seamlessly with the Jeep’s hardtop interior structure. It provides a reinforced framework that extends the roofline’s strength, allowing for heavier and more secure roof rack installations.

Ideal for Jeep enthusiasts who require additional cargo capacity without compromising the vehicle’s interior aesthetics or structural integrity, the Backbone Mounting System supports a maximum load rating of up to 120 kg (264 lbs). This makes it perfect for mounting heavy gear such as rooftop tents, cargo boxes, or other adventure equipment.

Key Features

The Rhino-Rack Backbone Mounting System offers a combination of strength, durability, and ease of installation. Key features include:

• Interior mounting design that integrates with the Jeep JL hardtop frame
• Three mounting plates on each side for secure load distribution
• Extends the roofline’s structural support for heavier loads
• Maximum load capacity of 120 kg (264 lbs) for demanding cargo needs
• Compatible with multiple Jeep Wrangler JL engine variants including 2.0L Turbo, 3.6L V6, 6.4L 392, and 3.0L EcoDiesel
• Durable construction designed to withstand off-road conditions
• Maintains the vehicle’s interior aesthetics with a clean, integrated look
• Designed and tested specifically for Jeep Wrangler JL hardtop models from 2018 to 2025

Construction & Design

The Backbone Mounting System is crafted from high-quality materials engineered for strength and longevity. The mounting plates are precision-fabricated to fit the contours of the Jeep Wrangler JL’s hardtop interior frame, ensuring a secure and stable connection. The design distributes weight evenly across the vehicle’s roof structure, minimizing stress points and preserving the integrity of the hardtop.

Rhino-Rack’s engineering focuses on durability and reliability, making this system suitable for both daily use and rugged off-road adventures. The robust construction resists corrosion and wear, ensuring long-term performance under various environmental conditions.

Installation & Fitment

Installation of the Rhino-Rack Backbone Mounting System is straightforward and requires no permanent modifications to the Jeep Wrangler JL hardtop. The system mounts internally using the existing frame points, with three plates on each side providing a secure fit. This interior mounting approach preserves the exterior appearance and factory sealing of the hardtop.

The system is compatible with all Jeep Wrangler JL models from 2018 to 2025, including the 2.0L Turbo, 3.6L V6, 6.4L 392, and 3.0L EcoDiesel engine variants. This broad fitment ensures that most JL owners can benefit from the enhanced load capacity and mounting flexibility.

What's Included

• Three mounting plates per side (six total)
• Connecting interior frame components
• All necessary hardware for installation
• Detailed installation instructions

Ideal For

The Rhino-Rack Backbone Mounting System is ideal for Jeep Wrangler JL owners who need to increase their vehicle’s roof load capacity without compromising interior space or exterior styling. It is perfect for adventurers, overlanders, and outdoor enthusiasts who frequently carry heavy rooftop gear such as tents, storage boxes, or recovery equipment. This system supports safe and secure mounting for demanding applications, making it a reliable choice for serious Jeep owners.

Rhino‑Rack builds roof rack systems and adventure-carrying gear—crossbars, platforms, cargo boxes, bike/kayak carriers, and mounting accessories—designed for durable, vehicle-specific fitment. For overland and outdoor-focused builds, Rhino‑Rack helps expand carrying capacity without compromising usability, making it a practical upgrade for rigs that live on the road and on the trail.