ReadyLift OEM style rear block kits are now available for model specific applications. The Rear Block Kits will safely lift the rear of your truck and additional 1 in. -3 in. Based on OEM designs and never made out of light weight extrusions, our 1 in. Toyota and GM blocks are made of cast iron and our 3 in. GM blocks have Anti-Rotation ears built in. The Ford Super Duty 4 in. blocks have Integrated OEM style bump stops. These kits will put the rake back into your truck for hauling or towing and are designed to work in concert with your ReadyLift Suspension Leveling Kit. Comes with a Limited Lifetime warranty.Specifications: Lift/Drop Height 1 in. WARNING CA Proposition 65 No Description_DES Rear Block Kit Description_EXT Rear Block Kit; 1 in. Cast Iron Blocks; Incl. Integrated Locating Pin; E-Coated U-Bolts; Description_FAB Made From Cast Iron/Not Light Weight Extrusions Description_FAB Built In Locator Pin/Not Pressed In Description_FAB Puts Rack Back In Your Truck For Towing/Hauling Description_FAB Installation Time Is About An Hour Description_FAB Lifetime Warranty Description_MKT ReadyLift OEM style rear block kits are now available for model specific applications. The Rear Block Kits will safely lift the rear of your truck and additional 1 in. -3 in. Based on OEM designs and never made out of light weight extrusions, our 1 in. Toyota and GM blocks are made of cast iron and our 3 in. GM blocks have Anti-Rotation ears built in. The Ford Super Duty 4 in. blocks have Integrated OEM style bump stops. These kits will put the rake back into your truck for hauling or towing and are designed to work in concert with your ReadyLift Suspension Leveling Kit. Comes with a Limited Lifetime warranty. Description_SHO SuspBlk/U-BoltKit