The ORIGINAL Tailgate Gap Cover: ROK BLOCK®

ROK BLOCK® tailgate gap cover bridges the gap between the truck bed and tailgate, preventing the loss of materials such as mulch, sand and rock.

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No more cleaning out debris from the tailgate gap.
When the tailgate is closed 
ROK BLOCK® folds into the tailgate gap, doubling as a tailgate seal.
To keep out dust and water from entering in through the sidewalls, when using a truck bed cap or tonneau cover, install our patented
Tailgate Seal with Taper Seal®.


Adheres to vehicle using 3M ST1200 adhesive. 15 minute installation.

ROK BLOCK® comes in two different widths: 4.25" and 7"*.
Watch how to install our ROK BLOCK XL on Ford F450 on YouTube

Excluded Pickups: RAM with Multifunction Tailgate, Honda Ridgeline with Dual Action Tailgate

* Use 7" ROK BLOCK for the following pickups: Nissan Frontier, Ford Ranger 2019 or newer, Isuzu Dmax, Nissan Navara NP300, Mitsubishi I200, Toyota Hilux, SsangYoung Musso, VW Amarok
Tailgate Seal with ROK BLOCK® installation instructions
Rok Block on 2015 Nissan Titan
2015 Nissan Titan
Rok Block on 2015 Nissan Titan
2016 Chevrolet Colorado
Rok Block on 2016 Chevrolet Silverado 1500
2016 Chevrolet Silverado 1500
Rok Block on 2016 Dodge RAM 1500
2016 Dodge RAM 1500
Rok Block on 2016 GMC Sierra 1500
2016 GMC Sierra 1500
Rok Block on 2015 Nissan Titan
2017 Nissan Frontier and all pickup trucks overseas
Use Rok Block XL 7
Rok Block on 2015 Nissan Titan
2016 Toyota Tundra
Rok Block on 2015 Nissan Titan
2017 Honda Ridgeline
Rok Block on 2015 Nissan Titan
2020 Jeep Gladiator
Rok Block on 2015 Nissan Titan
2019 Chevy Silvarado 1500
Rok Block on 2015 Nissan Titan
2020 GMC Sierra 2500 MultiPro
Rok Block on 2015 Nissan Titan
2019 RAM Laramie 2500
Rok Block on 2015 Nissan Titan
2019 RAM 1500 with RamBox
Rok Block on 2015 Nissan Titan
2020 Ford Raptor
Rok Block on 2015 Nissan Titan
2019 Ford Ranger
Use "Rok Block XL 7"
Rok Block on 2015 Nissan Titan
2020 Toyota Tacoma
Rok Block on 2015 Nissan Titan
2020 Ford F150
  For photo installation instructions of
our patented Tailgate Seal with Taper Seal®,
please visit:
www.Tailgateseal.com