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What is the Static Capacity of the Roof Rack for Westin Retractable Tonneau Covers?  

Updated 09/07/2026 | Published 08/30/2026

Question:

What is the static capacity of the Roof Rack for Westin Retractable Tonneau Covers - Aluminum - 73" Long Part Number: W79ZK?

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Expert Reply:

Hey Jordan congrats on the new truck! The Roof Rack for Westin Retractable Tonneau Covers item # W79ZK has a 700 lbs static capacity when parked. They have a 300 lbs dynamic capacity while you're driving.

The Westin Roof Rack item # W79ZK kit includes two crossbars that measure 73" long x 2" wide x 1-1/4" tall so they'll work great for a tent and many other crossbar mounted accessories. Also included are the mounting legs, which attach the crossbars to the t-slot rails.

The Roof Rack for Westin Retractable Tonneau Covers item # W79ZK is designed to attach directly to the t-slot rails on the following tonneau covers that fit your new 2027 Ford F-250:

6-3/4' Bed - Westin Power Retractable Hard Tonneau Cover item # W24SH

6-3/4' Bed - Westin Manual Retractable Hard Tonneau Cover item # W86SH

What do you plan on using the crossbars for? Feel free to answer this and throw in any other questions you have, where it says Add Comment.

expert reply by:
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Jerred H
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Jordan profile picture

Jordan

9/7/2026

Thank you! I'm picking it up next week. I have a Thule Tepui Explorer tent.

Jerred H. profile picture
Etrailer Expert

Jerred H.

9/7/2026

@Jordan You're welcome! That's super exciting! Ok, perfect! Your Thule Tepui Explorer tent is going to work great with the Roof Rack for Westin Retractable Tonneau Covers item # W79ZK. I assumed that's what you were going to be using it for. We don't get many static questions unless it's for a tent. If you have any additional questions, don't hesitate to reach out.

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