Tuff Country's block and u-bolts kits are an economical solution to raising the rear end of many trucks and SUVs. Lift blocks are inserted between the factory axle and leaf spring to lift the rear end. Each kit includes lift blocks and extended zinc plated u-bolts, custom fit for the application.

This Part Fits:

Year	Make	Model	Submodel
1999-2005	Chevrolet	Silverado 1500	Base
2004-2005	Chevrolet	Silverado 1500	Hybrid
1999-2005	Chevrolet	Silverado 1500	LS
1999-2005	Chevrolet	Silverado 1500	LT
2002-2004	Chevrolet	Silverado 1500	WT
2004	Chevrolet	Silverado 1500	Z71 Off-Road
2002-2005	GMC	Sierra 1500	Base
2002	GMC	Sierra 1500	HT
2005	GMC	Sierra 1500	Hybrid
1999-2003	GMC	Sierra 1500	SL
1999-2005	GMC	Sierra 1500	SLE
1999-2005	GMC	Sierra 1500	SLT
2002-2005	GMC	Sierra 1500	WT