Horizon Global PRO Serie Manuel D'instructions page 59

Chevy and GM 2011 and Newer, 2500 HD & 3500 HD Silverado and Sierra
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. Find parallel rows of bed sill spot welds in bed of truck. No drilling should be done in the ~4" between parallel rows of
spot welds where the bed sill sits.
Front of
Vehicle
NOTE: For ease of
installation, installer can
use ½" 13, grade 5 Hex
head bolt and flat
washer.
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.
Short Box and some year
Long Box Bed Sills
1/4 1.5-3
*
1/4 2
Front of
Vehicle
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
©
2006,2007,2008,2009,2010,2011,2012,2013, 2014, 2017 Horizon Global America Inc .
Long Box Bed Sills
Long bracket
Note: Pull wires provided, will be needed to
install hardware in brackets through frame.
responsibility of the installer to prevent damage due to installation.
SHEET 4 0F 19
Made in China
CAUTION!
King pin centered over Axle
CAUTION!
30035IN
Rear Edge of
Truck Bed
8' BOX: 29 ¾"
6' BOX: 25 ¼"
Measure from rear edge of
truck bed to rear edge of
base rail
*
Optional weld
1/4
Side Bracket
1/4
Drivers side of 3/4 ton HD shown
Short bracket
1/31/2017
pattern
2
*
2
Rev. U