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.

Specifications:

California Proposition 65	WARNING: Cancer & Reproductive Harm and image
Title	Fabtech 3.5 in. ULTIMATE SYS W/UNIBALL UC & STEALTH 2011-19 GM C/K2500HD /3500HD
Description_ASC	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; DOES NOT FIT STANDARD CAB.; 114. WILL NOT ALLOW USE OF 17 IN. Wheels.; 124. REQUIRES CUTTING OF FENDERWELL SHEETMETAL FOR USE WITH 35 IN. TIRES
Description_DEF	Suspension Lift Kit
Description_DES	3.5" ULTIMATE SYS W/UNIBALL UC & STEALTH 2011-19 GM C/K2500HD /3500HD
Description_EXT	3.5" ULTIMATE SYS W/UNIBALL UC & STEALTH 2011-19 GM C/K2500HD /3500HD.
Description_INV	Fabtech-3.5" ULTIMATE SYS W/
Description_MKT	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.
Description_SHO	3.5" ULTIMATE SYS W/

This Part Fits:

Year	Make	Model	Submodel	Notes
2015	Chevrolet	Silverado 2500 HD	High Country
2016	Chevrolet	Silverado 2500 HD	High Country
2017	Chevrolet	Silverado 2500 HD	High Country
2018	Chevrolet	Silverado 2500 HD	High Country
2011	Chevrolet	Silverado 2500 HD	LT
2012	Chevrolet	Silverado 2500 HD	LT
2013	Chevrolet	Silverado 2500 HD	LT
2014	Chevrolet	Silverado 2500 HD	LT
2015	Chevrolet	Silverado 2500 HD	LT
2016	Chevrolet	Silverado 2500 HD	LT
2017	Chevrolet	Silverado 2500 HD	LT
2018	Chevrolet	Silverado 2500 HD	LT
2011	Chevrolet	Silverado 2500 HD	LTZ
2012	Chevrolet	Silverado 2500 HD	LTZ
2013	Chevrolet	Silverado 2500 HD	LTZ
2014	Chevrolet	Silverado 2500 HD	LTZ
2015	Chevrolet	Silverado 2500 HD	LTZ
2016	Chevrolet	Silverado 2500 HD	LTZ
2017	Chevrolet	Silverado 2500 HD	LTZ
2018	Chevrolet	Silverado 2500 HD	LTZ
2011	Chevrolet	Silverado 2500 HD	WT
2012	Chevrolet	Silverado 2500 HD	WT
2013	Chevrolet	Silverado 2500 HD	WT
2014	Chevrolet	Silverado 2500 HD	WT
2015	Chevrolet	Silverado 2500 HD	WT
2016	Chevrolet	Silverado 2500 HD	WT
2017	Chevrolet	Silverado 2500 HD	WT
2018	Chevrolet	Silverado 2500 HD	WT
2015	GMC	Sierra 2500 HD	Base
2016	GMC	Sierra 2500 HD	Base
2017	GMC	Sierra 2500 HD	Base
2018	GMC	Sierra 2500 HD	Base
2014	GMC	Sierra 2500 HD	Denali
2015	GMC	Sierra 2500 HD	Denali
2016	GMC	Sierra 2500 HD	Denali
2017	GMC	Sierra 2500 HD	Denali
2018	GMC	Sierra 2500 HD	Denali
2011	GMC	Sierra 2500 HD	SLE
2012	GMC	Sierra 2500 HD	SLE
2013	GMC	Sierra 2500 HD	SLE
2014	GMC	Sierra 2500 HD	SLE
2015	GMC	Sierra 2500 HD	SLE
2016	GMC	Sierra 2500 HD	SLE
2017	GMC	Sierra 2500 HD	SLE
2018	GMC	Sierra 2500 HD	SLE
2011	GMC	Sierra 2500 HD	SLT
2012	GMC	Sierra 2500 HD	SLT
2013	GMC	Sierra 2500 HD	SLT
2014	GMC	Sierra 2500 HD	SLT
2015	GMC	Sierra 2500 HD	SLT
2016	GMC	Sierra 2500 HD	SLT
2017	GMC	Sierra 2500 HD	SLT
2018	GMC	Sierra 2500 HD	SLT
2011	GMC	Sierra 2500 HD	WT
2012	GMC	Sierra 2500 HD	WT
2013	GMC	Sierra 2500 HD	WT
2014	GMC	Sierra 2500 HD	WT
2011	GMC	Sierra 3500 HD	WT
2012	GMC	Sierra 3500 HD	WT
2013	GMC	Sierra 3500 HD	WT
2014	GMC	Sierra 3500 HD	WT