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GMC AT4 HD Suspension

Discuss all GMC AT4 HD Suspension Mods including lifts, level kits, shocks, air suspension, etc.
Syphon311
Cognito level kit with either Fox 2.5 or Elka 2.5
Replies
0
Views
692
Syphon311
Syphon311
S
RC V2 vs Fox/Bilstein
Replies
7
Views
3K
smokedoff
S
john151ama
Cognito Multimatic spacers
Replies
10
Views
2K
john151ama
john151ama
J
Leveling 2500hd
Replies
4
Views
1K
Arzydarz
Arzydarz
L
Stock suspension swap?
2
Replies
19
Views
8K
gemarsh
gemarsh
Lakebuster
Leveling kit vs. lift kit
Replies
10
Views
7K
Koolbreezeya
Koolbreezeya
Z
What kind of lift comes on the AT4X from factory?
Replies
6
Views
5K
NHAT4SFD
N
R
3" or 3.5" lift that retains rake
Replies
10
Views
9K
Agent 409
Agent 409
P
37 size tires
2
Replies
26
Views
16K
WyomingAT4XAEV
WyomingAT4XAEV
john151ama
Anyone try Cognito shock extenders on AT4X
Replies
3
Views
3K
pinebaron
pinebaron
ctballos
Swapping out the Ranchos for Bilstein 5160's
Replies
9
Views
5K
Ranger Rick
R
F
Differing height between driver and passenger side in rear
Replies
3
Views
1K
Johnv76
Johnv76
R
Cognito vs Kryptonite vs anyone else?
Replies
3
Views
7K
Vulcan
V
R
3" BDS lift with fox 2.5 shocks
Replies
9
Views
3K
Cocoabean
Cocoabean
J
Lane Assist
Replies
14
Views
8K
wishywashy
W
P
want to install a mcgauphys 7-9" kit has anyone done this in here?
Replies
8
Views
2K
pepepinguo
P
F
24 AT4 leveling kit
2
Replies
20
Views
18K
Dean58
Dean58
6
24' AT4 2500HD level or lift?
Replies
0
Views
2K
6togo
6
Syphon311
Simple 2.5” lift all around
Replies
0
Views
2K
Syphon311
Syphon311
RiverHopper
Help! Rear passenger side slightly lower than driver side
Replies
4
Views
3K
Gat4X
G
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Latest Poll

Which 1.75" leveling kit is better?

  • Ready-Lift

    Votes: 16 72.7%

  • Rough Country

    Votes: 6 27.3%
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