Skyjacker(R) utilizes Blocks and U-Bolts in its Kits to provide rear lift. The Skyjacker(R) U-Bolts are e-coated for corrosion resistance. These U-Bolts are offered in various shapes and sizes such as square, round, and semi-round in lengths ranging from 1.75 - 19 inches. The Blocks used in Skyjacker(R) Kits are Ductile iron with fixed center pins. They are also tapered to correct pinion angle and prevent driveline vibrations. Available in 1.25, 2, 3.5, 4.5, and 5 inches.

This Part Fits:

Year	Make	Model	Submodel
2018	Chevrolet	Silverado 1500	Custom
2018	Chevrolet	Silverado 1500	High Country
2018	Chevrolet	Silverado 1500	LS
2018	Chevrolet	Silverado 1500	LT
2018	Chevrolet	Silverado 1500	LTZ
2018	Chevrolet	Silverado 1500	SSV
2018	Chevrolet	Silverado 1500	WT
2015-2018	Chevrolet	Silverado 2500 HD	High Country
2011-2018	Chevrolet	Silverado 2500 HD	LT
2011-2018	Chevrolet	Silverado 2500 HD	LTZ
2011-2018	Chevrolet	Silverado 2500 HD	WT
2015-2017	Chevrolet	Silverado 3500 HD	High Country
2011-2017	Chevrolet	Silverado 3500 HD	LT
2011-2017	Chevrolet	Silverado 3500 HD	LTZ
2011-2017	Chevrolet	Silverado 3500 HD	WT
2018	GMC	Sierra 1500	Base
2018	GMC	Sierra 1500	Denali
2018	GMC	Sierra 1500	SLE
2018	GMC	Sierra 1500	SLT
2015-2018	GMC	Sierra 2500 HD	Base
2011-2018	GMC	Sierra 2500 HD	Denali
2011-2018	GMC	Sierra 2500 HD	SLE
2011-2018	GMC	Sierra 2500 HD	SLT
2011-2014	GMC	Sierra 2500 HD	WT
2015-2017	GMC	Sierra 3500 HD	Base
2011-2017	GMC	Sierra 3500 HD	Denali
2011-2017	GMC	Sierra 3500 HD	SLE
2011-2017	GMC	Sierra 3500 HD	SLT
2011-2014	GMC	Sierra 3500 HD	WT