
Install the jack nut into the truck bulkhead, one on both sides. Insert the jack nut into the upper, hexagonal hole.
Insert the 1/4-20 bolt through the install wrench and into the jack nut. Use the install wrench to hold the jack nut from
turning while tightening the bolt with a wrench or socket. This will pull and collapse the jack nut. Once the bolt has
stopped turning, remove it for later installation.
Seeing the jack nut
from behind is difficult,
but it will collapse
as shown
Note:
Assemble just until
contact is made,
do not tighten the
well nut.
Thread the buttonhead screw through the #10 oversize
washer, through the bottom hole in the bracket, through
the flat washer and into the well nut.
One for each side.
Thread the 1/4-20 bolt through the flat washer, into
the top hole of the cover rail bracket into the jack nut,
tighten to 17.5 Nm/ 12.9 ft/lbs on both sides.
Snug up the lower buttonhead screw in the well nut.
12
8
7
B
B
B
B
Insert the M6 screw & washer into one of the rear rail
mounting holes as shown. Slide a spacer then a
retainer washer onto the threaded portion of the screw.
Repeat for the second rear mounting hole,
and repeat with the opposite rail.
9
B
B
Place the cover rail onto the bed rail and
slide it forward, using the well nut as a
guide into the bulkhead opening.
10
B
At the rear/tailgate, thread the M6 screw & washers, installed
in step 9, into the threaded inserts in the bed wall.
Tighten with the 90 degree Torx key.
Leave the bolts
loose until the front/
cab bolts have been
installed and
tightened.
The Torx key is
included in the
hardware kit.
11
13
Tighten the rear/tailgate M6 screw & washers, on both
sides. While tightening the bolts, lift up on the rear/
tailgate end of the rail.
• 1100 N. Glenstone Ave. Suite 140, Springfield, MO 65802 • 818-365-9000 • bakindustries.com
BAK Industries
Part# 318B0047 Rev. 8.12.2020