Extang TRIFECTA 2.0 Installation Sheet page 2

If your truck has a bed cap or
bedliner that covers the metal
bed wall ange, you will need
to remove enough so that all
the clamps make solid contact.
Ensure the clamp is positioned under the bed wall flange.
Hand tighten until the clamp makes contact,
then tighten an additional two turns.
Make sure to secure to the bed wall flange and Not to the
lip of the bed liner or rail cap.
Do Not use a wrench to tighten.
The rear (tailgate) clamps are stowed in the cover rail,
rotate the clamp down and slide it at an angle to the
truck bed rail.
For bed caps, trim only enough of the
bed cap edge so the rear (tailgate) clamp
contacts the bottom of the metal ange.
To lock the cover, pull
the clamps straight
down and release to
The clamps should be
hook under the bottom
slid as far over to the
of the bed rail.
rail as possible.
For bed liners that cover the metal ange,
trim a minimum of 100 mm or 4" of the
liner wall so the clamps contact the bottom
of the metal ange.
With the tailgate open and the
front (cab) clamps secure, completely
close the cover.
100mm
4.0"