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4" Budget UCA System w/ Ball Joint UCA & Stealth Shocks - 2011-18 GM C/K2500HD & C/K3500HD 2WD/4WD

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Description
Included Shocks

Our 4” Ultimate System provides less lift than our 6” RTS™ system but still allows use of 33” or 35” tall tires with cutting for street and offroad use. We have developed this system utilizing replacement upper control arms constructed of 1.50” OD .120” thick wall DOM tubing that attaches to heavy duty Fabtech ductile iron steering knuckles. The factory torsion bars remain in the stock position and use new forged adjusting keys to provide the proper amount of lift.

 

There is no loss of ground clearance with this system as the stock lower control arms, torsion bars and front differential do not need to be relocated.

 

This 4” Ultimate System will level the stance of the vehicle compared to the factory nose down rake with no change to the rear suspension. For those customers that require a factory nose down appearance an optional 1” rear block kit is available (2500HD Part # FTS21110) (3500HD Part # FTS21111).

 

 

This system qualifies for our 5/60 Powertrain Warranty. To find out more CLICK HERE

 

Kit# K1055M

  • Use 33/12.50R18 tire w/ 18x9 wheels w/ 5 3/4” BS w/ minor trimming
  • Use 33/12.50R20 tire w/ 20x9 wheels w/ 5 3/4” BS w/ minor trimming
  • Use 35/13.50R18 tire w/ 18x9 wheels w/ 5 3/4” BS w/ fenderwell cutting
  • Use 35/13.50R20 tire w/ 20x9 wheels w/ 5 3/4” BS w/ fenderwell cutting

 

Oty Part # Description
1 FTS21184 Component Box w/Stealth Shocks

 

*FOOTNOTES

20. Will not fit standard cab models.
114. Will not fit 17” wheels.
124. Requires cutting of fenderwell sheetmetal for use with 35” tires

Stealth Shocks


Stealth is the first all black monotube shock absorber, with an identifiable raised metal nameplate, that represents the signature of quality you can rely on for a superior ride at an affordable price.

Stealth monotube shocks are built with a 46mm diameter high flow piston and vehicle specific valving, for a great ride with oversized tires.

All Stealth shock absorbers feature Nitrocarburized piston rods that are superior to chromed rods in durability and corrosion resistance. These “Nitrocarb” piston rods are finished in matte black for a complete “black out” shock package.


  • - 50mm OD seamless steel body
  • - 46mm High flow piston for best ride
  • - Vehicle specific valving designed for oversized tires
  • - Full floating piston separates gas from oil for a consistent ride
  • - 14mm Nitrocarb piston rod resists rock chips and rusting
  • - All black finish with raised nameplate as a signature of quality
SKU:
K1055M
 
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Download PDF Instructions
FT21104i.pdf (1.9 MB)