Horizon Global PRO Serie Manuel D'instructions page 72

2007 And Newer Toyota Tundra 6.5' & 8' Beds – requires Service Kit 58309
Read pages 2-3 of these instructions before starting installation. Failure to do so could result in significant vehicle damage!
IMPORTANT NOTES FOR THIS INSTALLATION:
1. Use the 58309 service kit together with the 30035 mounting kit. Read p. 1-3 of the 30035 instruction for general
information.
2. The mounting holes for Row 3 go through the inside of the bed sill. After measuring, drill an 1/8" hole for the rear rail.
Be sure the hole is in the center of the bed sill. Make sure it lines up correctly. Drill a 9/16" hole through the bed and
the top of the frame on both sides. For the Row 4 passenger side attachment, drill through the bed and the top of
the frame as well.
3. The rear rail on the passenger side is secured directly to the frame with 3" carriage bolts provided in the 58309 kit.
For the Row 3 attachment, a tube spacer should be placed inside the bed sill on top of the frame and under the
bottom of the bed. Line up the spacer with the drilled hole before inserting the carriage bolt. Repeat for both sides.
See Detail Inside Frame.
1-3/4" carriage
bolt with long
bracket
Front of
Vehicle
NOTE:
Must install center
bolt in one of the
center holes in
each rail.
Check to make
sure center bolt
does not interfere
with bed sill.
1-3/4" carriage
bolt with long
bracket
King pin center approx. 3-1/2"
forward of axle center
Bed Sill
Long bracket
Front
of
1/4 1.5-3
*
1/4 2
Vehicle
Drivers Side
Check for obstructions before drilling. Failure to do so could result in damaged fuel or brake lines, structural members, etc. Horizon
Global America Inc. does its best to communicate tow vehicle manufacturer changes; however, it is ultimately the responsibility of the
©
2006,2007,2008,2009,2010,2011,2012,2013, 2014, 2017 Horizon Global America Inc .
(Crewmax 5.5' Bed requires Reese Sidewinder
3" Carriage bolt &
tube spacer
Drill through top of
frame (both sides)
Use rear
center hole
only in rear
base rail
Use 5 th
wheel legs to
locate front
rail.
Axle Center
*
Optional weld
pattern
installer to prevent damage due to installation.
SHEET 17 0F 19
Made in China
CAUTION!
3" Carriage bolt, 1/2" spacers &
bevel washers
Drill through top of frame
See Detail Inside Frame
29 3/4"
5.5', 6.5', 8' Bed
Measure from rear edge of
truck bed to rear edge of
base rail.
Do not install on a
truck with a 5'7" long
bed unless the trailer
is equipped with a
Reese Sidewinder TM
Pinbox.
1-3/4" carriage bolt with
short bracket
Rear Edge of
Truck Bed
Tube spacer
inside bed sill
Short bracket
1/4 2
*
1/4 2
CAUTION!
30035IN
TM Pinbox)
Rear Passenger Side
Detail Inside Frame
3" Carriage Bolts
Tube spacer
bevel washer on bottom
inside bed sill
FRONT OF
VEHICLE
4. For the Row 4 passenger side
attachment, stack two 1/2"
spacers and a bevel washer,
provided in the 58309 kit, to fill
the gap between the bed and the
frame. Use another bevel washer,
conical toothed washer, and hex
nut to fasten the 3" carriage bolt
in place. See above drawing.
5. Install the long brackets on the
front rail and the short bracket on
the rear rail driver side using the
1-3/4" carriage bolts provided in
the 58309 kit. All other
attachments to the bed use 2"
carriage bolts from the 30035 kit.
1/31/2017
1/2" spacers (2),
bevel washer
Rev. U