SuperBLOK by ProRYDE 3-in-1 design allows rear lift options of 1.0 in., 1.5 in. or 2.0 in. SEMA 2012 BEST NEW OFFROAD/4x4 PRODUCT OF THE YEAR- RUNNER UP! ProRYDE SuperBLOK 3-in-1 rear leaf spring blocks are available now, and will safely lift the rear of your truck 1.0 in., 1.5 in., or 2.0 in., your choice. SuperBLOK is designed to put a slight rake back in your leveled truck for hauling or towing, or to work hand-in-hand with your ProRYDE front lift/leveling kit for a complete 4-corner lift.