The Rhino-Rack Backbone is a mounting system for your Toyota 4Runner. Connecting to your vehicle's roof via 3 bases on each side, it allows for a Rhino-Rack Pioneer System to be fitted on top.
Features:- Comes With All The Internal Support Frames
- Mounting Plates So You Can Attach A 2 Bar Roof Rack System
- Includes Fitting hardware Required For The Install
