Kit de elevación de suspensión completa Dodge Ram 1500 1994-2001 4x4 The blocks are cast from Class 30 Gray Iron, the same material used by vehicle manufacturers for their spacer blocks. Our U-bolts are manufactured from low allow, high strength steel. Superlift's block kits include two cast iron lift blocks and four U-bolts with factory type Hi-nuts and flat washers. Superlift 4 Inch Suspension Block Aazon.co: RealTruck SUPERLIFT SUSPENSION Kit De Bloque De 5 Pulgadas Truck Leveling Block Kit 2004 Dodge Ram 1500 Lift Kits The anti-corrosion finish is either Zinc or E-coat Superlift rear block kits help distribute the weight of your cargo and improve the towing performance of your truck. 2 Rear Lift Kit For 1994-2001 Dodge Ram 1500 2WD Blocks w/ U-bolts | The Suspension Specialists This is a 4 rear lift block kit for specific models