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Assemble the center section.  

Before the center can

be installed the latch pin assembly needs to be 
attached to the center section. When installed, the 
latch pin assembly must be positioned so the handle 
will be on the driver side of the truck.  For short bed 
trucks installing the latch pin assembly on the driver 
side will put the bed cross member cutout towards the 
cab, see Figure C1. On 8’ bed trucks installing the 
latch pin assembly on the driver side will put the bed 
cross member cutout towards back of the truck, see 
Figure C2. To assemble, locate the center section and
the latch pin assembly. Pass the end of the latch pin 
assembly through the hole in the ball socket inside the
center section, as shown in Figure C1 & C2.  While 
pushing the latch pin assembly firmly against the 
socket, align the two mounting holes in the pin 
assembly and secure with two 5/16" X 1" carriage 
bolts and flange nuts, as shown in Figure C3.

Prepare center mounting hardware. 

Locate four 

5/8" x 4−1/2" flange bolts and the two washer plates. 
Pass two bolts into each washer plate.  Pass the bolts 
into the cross members so that the bolt threads are 
sticking out into the area where the center will install, 
see Figure D1.

INSTALL LATCH PIN

INSTALL CENTER SECTION

1.

1.

Install M14 bolts.  

Locate the eight M14 X 35mm 

flanged head bolts.  Pass each bolt through the cross 
member brackets and into the threaded holes in the 
frame as shown in Figure E1.  Refer back to Figure B1
for frame bolt locations.  Do not fully tighten hardware 
connections at this time. 

ATTACH CROSS MEMBERS TO 
FRAME

1.

2. Mount center section between cross members.  

Push the front cross member forward and the rear 
cross member rearward so that there is room between
them for the center section.  With the latch pin 
assembly on the driver side, lift the center section into 
place so the raised portion of the center section 
passes into the 4" hole drilled into the bed, see Figure 
D2. Slide each of the cross members towards the 
center section and push 5/8" bolts in to place.  

Finish center assembly.  

Secure each bolt in the 

center section with 5/8" flange nuts. Hand tighten 
hardware only at this time.

3.

Figure C1: 

Short bed installation.

Figure C3: 

 Latch pin assembly (short bed installation).

Figure D2: 

View under truck looking above differential.

Figure E1: 

View looking into passenger side wheel well.

Figure D1: 

View of cross members.

Figure C2: 

Long bed installation.

Figure B6:

 View looking up at bottom of bed over axle.

BED CROSS MEMBER CUT OUT

REAR CROSS

MEMBER ASSEMBLY

FORWARD CROSS

MEMBER ASSEMBLY

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