Skyjacker BUK3561 Block And U-Bolt Kit

Skyjacker utilizes Blocks and U-Bolts in its Kits to provide rear lift. The Skyjacker 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 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.