The 4'' Ultimate System is available with our Uniball Upper Control Arms that feature .120'' wall 4130 Chromoly tubing with a 1.50'' OD 1'' FK Stainless PTFE Uniballs for 9'' of front wheel travel. The system also includes heavy duty ductile iron steering knuckles and forged adjusting torsion bar keys to provide the proper amount of lift without CV bind. The 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. Uniball Upper Control Arms are available separately as an upgrade to stock, previously installed Fabtech'suspensions or other aftermarket suspension systems.
Uniball Control Arm Lift System; w/Performance Shocks; 4 in. Lift; Incl. Uniball Control Arm;
TIRE SIZE - 33/12.50R18 WHEEL - 18X9 W/5 3/4" BS W/MINOR TRIMMING; TIRE SIZE - 33/12.50R20 WHEEL - 20X9 W/5 3/4" BS W/MINOR TRIMMING; TIRE SIZE - 35/13.50R18 WHEEL - 18X9 W/5 3/4" BS W/FENDERWELL CUTTING; TIRE SIZE - 35/13.50R20 WHEEL - 20X9 W/5 3/4" BS W/FENDERWELL CUTTING; 17. DOES NOT FIT STANDARD CAB.; 114. WILL NOT ALLOW USE OF 17? WHEELS.; 124. REQUIRES CUTTING OF FENDERWELL SHEETMETAL FOR USE WITH 35? TIRES
Fitment:
2011 Chevrolet Silverado 2500 HD LT
2011 Chevrolet Silverado 2500 HD LTZ
2011 Chevrolet Silverado 2500 HD WT
2011 Chevrolet Silverado 3500 HD LT
2011 Chevrolet Silverado 3500 HD LTZ
2011 Chevrolet Silverado 3500 HD WT
2011 GMC Sierra 2500 HD Denali
2011 GMC Sierra 2500 HD SLE
2011 GMC Sierra 2500 HD SLT
2011 GMC Sierra 2500 HD WT
2011 GMC Sierra 3500 HD Denali
2011 GMC Sierra 3500 HD SLE
2011 GMC Sierra 3500 HD SLT
2011 GMC Sierra 3500 HD WT
2012 Chevrolet Silverado 2500 HD LT
2012 Chevrolet Silverado 2500 HD LTZ
2012 Chevrolet Silverado 2500 HD WT
2012 Chevrolet Silverado 3500 HD LT
2012 Chevrolet Silverado 3500 HD LTZ
2012 Chevrolet Silverado 3500 HD WT
2012 GMC Sierra 2500 HD Denali
2012 GMC Sierra 2500 HD SLE
2012 GMC Sierra 2500 HD SLT
2012 GMC Sierra 2500 HD WT
2012 GMC Sierra 3500 HD Denali
2012 GMC Sierra 3500 HD SLE
2012 GMC Sierra 3500 HD SLT
2012 GMC Sierra 3500 HD WT
2013 Chevrolet Silverado 2500 HD LT
2013 Chevrolet Silverado 2500 HD LTZ
2013 Chevrolet Silverado 2500 HD WT
2013 Chevrolet Silverado 3500 HD LT
2013 Chevrolet Silverado 3500 HD LTZ
2013 Chevrolet Silverado 3500 HD WT
2013 GMC Sierra 2500 HD Denali
2013 GMC Sierra 2500 HD SLE
2013 GMC Sierra 2500 HD SLT
2013 GMC Sierra 2500 HD WT
2013 GMC Sierra 3500 HD Denali
2013 GMC Sierra 3500 HD SLE
2013 GMC Sierra 3500 HD SLT
2013 GMC Sierra 3500 HD WT
2014 Chevrolet Silverado 2500 HD LT
2014 Chevrolet Silverado 2500 HD LTZ
2014 Chevrolet Silverado 2500 HD WT
2014 Chevrolet Silverado 3500 HD LT
2014 Chevrolet Silverado 3500 HD LTZ
2014 Chevrolet Silverado 3500 HD WT
2014 GMC Sierra 2500 HD Denali
2014 GMC Sierra 2500 HD SLE
2014 GMC Sierra 2500 HD SLT
2014 GMC Sierra 2500 HD WT
2014 GMC Sierra 3500 HD Denali
2014 GMC Sierra 3500 HD SLE
2014 GMC Sierra 3500 HD SLT
2014 GMC Sierra 3500 HD WT
2015 Chevrolet Silverado 2500 HD High Country
2015 Chevrolet Silverado 2500 HD LT
2015 Chevrolet Silverado 2500 HD LTZ
2015 Chevrolet Silverado 2500 HD WT
2015 Chevrolet Silverado 3500 HD High Country
2015 Chevrolet Silverado 3500 HD LT
2015 Chevrolet Silverado 3500 HD LTZ
2015 Chevrolet Silverado 3500 HD WT
2015 GMC Sierra 2500 HD Base
2015 GMC Sierra 2500 HD Denali
2015 GMC Sierra 2500 HD SLE
2015 GMC Sierra 2500 HD SLT
2015 GMC Sierra 3500 HD Base
2015 GMC Sierra 3500 HD Denali
2015 GMC Sierra 3500 HD SLE
2015 GMC Sierra 3500 HD SLT
2016 Chevrolet Silverado 2500 HD High Country
2016 Chevrolet Silverado 2500 HD LT
2016 Chevrolet Silverado 2500 HD LTZ
2016 Chevrolet Silverado 2500 HD WT
2016 Chevrolet Silverado 3500 HD High Country
2016 Chevrolet Silverado 3500 HD LT
2016 Chevrolet Silverado 3500 HD LTZ
2016 Chevrolet Silverado 3500 HD WT
2016 GMC Sierra 2500 HD Base
2016 GMC Sierra 2500 HD Denali
2016 GMC Sierra 2500 HD SLE
2016 GMC Sierra 2500 HD SLT
2016 GMC Sierra 3500 HD Base
2016 GMC Sierra 3500 HD Denali
2016 GMC Sierra 3500 HD SLE
2016 GMC Sierra 3500 HD SLT
2017 Chevrolet Silverado 2500 HD High Country
2017 Chevrolet Silverado 2500 HD LT
2017 Chevrolet Silverado 2500 HD LTZ
2017 Chevrolet Silverado 2500 HD WT
2017 Chevrolet Silverado 3500 HD High Country
2017 Chevrolet Silverado 3500 HD LT
2017 Chevrolet Silverado 3500 HD LTZ
2017 Chevrolet Silverado 3500 HD WT
2017 GMC Sierra 2500 HD Base
2017 GMC Sierra 2500 HD Denali
2017 GMC Sierra 2500 HD SLE
2017 GMC Sierra 2500 HD SLT
2017 GMC Sierra 3500 HD Base
2017 GMC Sierra 3500 HD Denali
2017 GMC Sierra 3500 HD SLE
2017 GMC Sierra 3500 HD SLT
2018 Chevrolet Silverado 2500 HD High Country
2018 Chevrolet Silverado 2500 HD LT
2018 Chevrolet Silverado 2500 HD LTZ
2018 Chevrolet Silverado 2500 HD WT
2018 Chevrolet Silverado 3500 HD High Country
2018 Chevrolet Silverado 3500 HD LT
2018 Chevrolet Silverado 3500 HD LTZ
2018 Chevrolet Silverado 3500 HD WT
2018 GMC Sierra 2500 HD Base
2018 GMC Sierra 2500 HD Denali
2018 GMC Sierra 2500 HD SLE
2018 GMC Sierra 2500 HD SLT
2018 GMC Sierra 3500 HD Base
2018 GMC Sierra 3500 HD Denali
2018 GMC Sierra 3500 HD SLE
2018 GMC Sierra 3500 HD SLT
2019 Chevrolet Silverado 2500 HD High Country
2019 Chevrolet Silverado 2500 HD LT
2019 Chevrolet Silverado 2500 HD LTZ
2019 Chevrolet Silverado 2500 HD WT
2019 Chevrolet Silverado 3500 HD High Country
2019 Chevrolet Silverado 3500 HD LT
2019 Chevrolet Silverado 3500 HD LTZ
2019 Chevrolet Silverado 3500 HD WT
2019 GMC Sierra 2500 HD Base
2019 GMC Sierra 2500 HD Denali
2019 GMC Sierra 2500 HD SLE
2019 GMC Sierra 2500 HD SLT
2019 GMC Sierra 3500 HD Base
2019 GMC Sierra 3500 HD Denali
2019 GMC Sierra 3500 HD SLE
2019 GMC Sierra 3500 HD SLT
Duramax LML
Vehicles
- 2011 Chevrolet Silverado 2500 HD LT
- 2011 Chevrolet Silverado 2500 HD LTZ
- 2011 Chevrolet Silverado 2500 HD WT
- 2011 Chevrolet Silverado 3500 HD LT
- 2011 Chevrolet Silverado 3500 HD LTZ
- 2011 Chevrolet Silverado 3500 HD WT
- 2011 GMC Sierra 2500 HD Denali
- 2011 GMC Sierra 2500 HD SLE
- 2011 GMC Sierra 2500 HD SLT
- 2011 GMC Sierra 2500 HD WT
- 2011 GMC Sierra 3500 HD Denali
- 2011 GMC Sierra 3500 HD SLE
- 2011 GMC Sierra 3500 HD SLT
- 2011 GMC Sierra 3500 HD WT
- 2012 Chevrolet Silverado 2500 HD LT
- 2012 Chevrolet Silverado 2500 HD LTZ
- 2012 Chevrolet Silverado 2500 HD WT
- 2012 Chevrolet Silverado 3500 HD LT
- 2012 Chevrolet Silverado 3500 HD LTZ
- 2012 Chevrolet Silverado 3500 HD WT
- 2012 GMC Sierra 2500 HD Denali
- 2012 GMC Sierra 2500 HD SLE
- 2012 GMC Sierra 2500 HD SLT
- 2012 GMC Sierra 2500 HD WT
- 2012 GMC Sierra 3500 HD Denali
- 2012 GMC Sierra 3500 HD SLE
- 2012 GMC Sierra 3500 HD SLT
- 2012 GMC Sierra 3500 HD WT
- 2013 Chevrolet Silverado 2500 HD LT
- 2013 Chevrolet Silverado 2500 HD LTZ
- 2013 Chevrolet Silverado 2500 HD WT
- 2013 Chevrolet Silverado 3500 HD LT
- 2013 Chevrolet Silverado 3500 HD LTZ
- 2013 Chevrolet Silverado 3500 HD WT
- 2013 GMC Sierra 2500 HD Denali
- 2013 GMC Sierra 2500 HD SLE
- 2013 GMC Sierra 2500 HD SLT
- 2013 GMC Sierra 2500 HD WT
- 2013 GMC Sierra 3500 HD Denali
- 2013 GMC Sierra 3500 HD SLE
- 2013 GMC Sierra 3500 HD SLT
- 2013 GMC Sierra 3500 HD WT
- 2014 Chevrolet Silverado 2500 HD LT
- 2014 Chevrolet Silverado 2500 HD LTZ
- 2014 Chevrolet Silverado 2500 HD WT
- 2014 Chevrolet Silverado 3500 HD LT
- 2014 Chevrolet Silverado 3500 HD LTZ
- 2014 Chevrolet Silverado 3500 HD WT
- 2014 GMC Sierra 2500 HD Denali
- 2014 GMC Sierra 2500 HD SLE
- 2014 GMC Sierra 2500 HD SLT
- 2014 GMC Sierra 2500 HD WT
- 2014 GMC Sierra 3500 HD Denali
- 2014 GMC Sierra 3500 HD SLE
- 2014 GMC Sierra 3500 HD SLT
- 2014 GMC Sierra 3500 HD WT
- 2015 Chevrolet Silverado 2500 HD High Country
- 2015 Chevrolet Silverado 2500 HD LT
- 2015 Chevrolet Silverado 2500 HD LTZ
- 2015 Chevrolet Silverado 2500 HD WT
- 2015 Chevrolet Silverado 3500 HD High Country
- 2015 Chevrolet Silverado 3500 HD LT
- 2015 Chevrolet Silverado 3500 HD LTZ
- 2015 Chevrolet Silverado 3500 HD WT
- 2015 GMC Sierra 2500 HD Base
- 2015 GMC Sierra 2500 HD Denali
- 2015 GMC Sierra 2500 HD SLE
- 2015 GMC Sierra 2500 HD SLT
- 2015 GMC Sierra 3500 HD Base
- 2015 GMC Sierra 3500 HD Denali
- 2015 GMC Sierra 3500 HD SLE
- 2015 GMC Sierra 3500 HD SLT
- 2016 Chevrolet Silverado 2500 HD High Country
- 2016 Chevrolet Silverado 2500 HD LT
- 2016 Chevrolet Silverado 2500 HD LTZ
- 2016 Chevrolet Silverado 2500 HD WT
- 2016 Chevrolet Silverado 3500 HD High Country
- 2016 Chevrolet Silverado 3500 HD LT
- 2016 Chevrolet Silverado 3500 HD LTZ
- 2016 Chevrolet Silverado 3500 HD WT
- 2016 GMC Sierra 2500 HD Base
- 2016 GMC Sierra 2500 HD Denali
- 2016 GMC Sierra 2500 HD SLE
- 2016 GMC Sierra 2500 HD SLT
- 2016 GMC Sierra 3500 HD Base
- 2016 GMC Sierra 3500 HD Denali
- 2016 GMC Sierra 3500 HD SLE
- 2016 GMC Sierra 3500 HD SLT
- 2017 Chevrolet Silverado 2500 HD High Country
- 2017 Chevrolet Silverado 2500 HD LT
- 2017 Chevrolet Silverado 2500 HD LTZ
- 2017 Chevrolet Silverado 2500 HD WT
- 2017 Chevrolet Silverado 3500 HD High Country
- 2017 Chevrolet Silverado 3500 HD LT
- 2017 Chevrolet Silverado 3500 HD LTZ
- 2017 Chevrolet Silverado 3500 HD WT
- 2017 GMC Sierra 2500 HD Base
- 2017 GMC Sierra 2500 HD Denali
- 2017 GMC Sierra 2500 HD SLE
- 2017 GMC Sierra 2500 HD SLT
- 2017 GMC Sierra 3500 HD Base
- 2017 GMC Sierra 3500 HD Denali
- 2017 GMC Sierra 3500 HD SLE
- 2017 GMC Sierra 3500 HD SLT
- 2018 Chevrolet Silverado 2500 HD High Country
- 2018 Chevrolet Silverado 2500 HD LT
- 2018 Chevrolet Silverado 2500 HD LTZ
- 2018 Chevrolet Silverado 2500 HD WT
- 2018 Chevrolet Silverado 3500 HD High Country
- 2018 Chevrolet Silverado 3500 HD LT
- 2018 Chevrolet Silverado 3500 HD LTZ
- 2018 Chevrolet Silverado 3500 HD WT
- 2018 GMC Sierra 2500 HD Base
- 2018 GMC Sierra 2500 HD Denali
- 2018 GMC Sierra 2500 HD SLE
- 2018 GMC Sierra 2500 HD SLT
- 2018 GMC Sierra 3500 HD Base
- 2018 GMC Sierra 3500 HD Denali
- 2018 GMC Sierra 3500 HD SLE
- 2018 GMC Sierra 3500 HD SLT
- 2019 Chevrolet Silverado 2500 HD High Country
- 2019 Chevrolet Silverado 2500 HD LT
- 2019 Chevrolet Silverado 2500 HD LTZ
- 2019 Chevrolet Silverado 2500 HD WT
- 2019 Chevrolet Silverado 3500 HD High Country
- 2019 Chevrolet Silverado 3500 HD LT
- 2019 Chevrolet Silverado 3500 HD LTZ
- 2019 Chevrolet Silverado 3500 HD WT
- 2019 GMC Sierra 2500 HD Base
- 2019 GMC Sierra 2500 HD Denali
- 2019 GMC Sierra 2500 HD SLE
- 2019 GMC Sierra 2500 HD SLT
- 2019 GMC Sierra 3500 HD Base
- 2019 GMC Sierra 3500 HD Denali
- 2019 GMC Sierra 3500 HD SLE
- 2019 GMC Sierra 3500 HD SLT
WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.