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Sales & Service Hours

Customer Service

  • Mon - Fri: 8 a.m. - 6 p.m. ET
  • Sat - Sun: Closed


  • Mon - Sat: 8 a.m. - 11 p.m. ET
  • Sun: 9 a.m. - 5 p.m. ET

BAK Revolver X4 Tonneau Cover 79330

Product Information
List Price:
Our Price:
Part #:
2017-2020 Ford F250, 6'9" Bed
2017-2020 Ford F350, 6'9" Bed


  • Constructed of aluminum slats with vinyl overlay
  • Matte finish
  • No-drill installation
  • Patented rotational locking rails
  • Operate from either side with automatic slam latch
  • Works with most 5th wheel hitches
  • Can hold 400 lbs of evenly distributed weight
  • Straps hold cover in open position while driving
  • 3 year warranty
  • Made in the USA

Measure Your Truck Bed for a Tonneau Cover

Does your truck have a track system?

The BAK Revolver X4 has all the great features of the Revolver X2, but the X4 has an upgraded, premium vinyl top with a matte black finish. It is constructed of interlocked, aluminum slats that self-lock in place along the bed rails when closed. This provides the function of a roll-up cover without sacrificing security. The Revolver X4 can even hold 400 lbs of evenly distributed weight on top.

The Revolver X4 can be fully opened and secured for driving, and because of the roll-up nature of this cover, the rear window does not get blocked. Installation is very simple, the only tool required is a 9/16" socket wrench. The side rails clamp to the side of the truck while the cover itself bolts to the rails at the front, rolls to the tailgate, then automatically locks on both sides with the slam latches. When the cover is latched, the patented locking side rails prevent the cover from being pried open on either side, without the need for hook and loop fasteners or snaps.

The one-piece design of the cover, along with weatherproof seals help shed water off the cover and away from the truck bed. BAK Industries warrants the Revolver X4 against any manufacturing defects for a period of 3 years. The cover also is made in the USA so you can rest easy knowing the quality is second to none.

View Available Part Numbers For This Product Line

California Residents: Prop 65 Warning


Watch This Video
BAK Revolver X4 Tonneau Cover Fast Facts on a 2017 Ford F-250
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3 Year Warranty

Bak covers the Revolver X4 with a 3 year warranty against any manufacture defects. Warranty registration must be on file and/or proof of original purchase (detailed and dated receipt) required for warranty service.


The Revolver X4 is a simple clamp-on install. No drilling or special tools needed. If you have any questions, feel free to contact us. We are available 24/7.

Watch This Video
How to Install BAK Revolver X4 Tonneau Cover on a 2017 Ford F-250 Superduty