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
1977-1981	Chevrolet	K30	Cheyenne
1981-1986	Chevrolet	K30	Custom
1977-1980	Chevrolet	K30	Custom Deluxe
1981	Chevrolet	K30	Deluxe
1977-1986	Chevrolet	K30	Scottsdale
1977-1986	Chevrolet	K30	Silverado
2002-2004	Chevrolet	Silverado 2500 HD	Base
2002-2004	Chevrolet	Silverado 2500 HD	LS
2002-2004	Chevrolet	Silverado 2500 HD	LT
2003-2004	Chevrolet	Silverado 2500 HD	WT
1987	Chevrolet	V30	Custom Deluxe
1987	Chevrolet	V30	Scottsdale
1987	Chevrolet	V30	Silverado
1977-1978	GMC	K35	Base
1977-1978	GMC	K35	High Sierra
1977-1978	GMC	K35	Sierra Classic
1977-1978	GMC	K35	Sierra Grande
1979-1986	GMC	K3500	Base
1979-1986	GMC	K3500	High Sierra
1979-1986	GMC	K3500	Sierra Classic
1979-1982	GMC	K3500	Sierra Grande
2002-2004	GMC	Sierra 2500 HD	Base
2002	GMC	Sierra 2500 HD	SL
2002-2004	GMC	Sierra 2500 HD	SLE
2002-2004	GMC	Sierra 2500 HD	SLT
2003-2004	GMC	Sierra 2500 HD	WT
1987	GMC	V3500	Base
1987	GMC	V3500	High Sierra
1987	GMC	V3500	Sierra Classic