This ReadyLift 26-3105 5 inch rear block lift kit for the GMC Sierra 1500 will safely lift the rear of your Truck. This kit creates more rake with the addition of the 5" tall rear blocks (remove factory 1.25" blocks) for 3.75 inches of lift, ideal for towing or hauling. Based on OEM designs and never made out of light weight extrusions, ReadyLift's 5" Rear Lift Blocks are made to fit and have cast in center pins. Like all ReadyLift products, these block kits come with their Limited Lifetime Warranty. With this new Rear Lift Block, you will never have to illegally stack rear blocks again!

Features and Benefits:

• 3.75 inches of lift after removal of factory blocks
• Cast Iron OEM-equivalent
• Cast in center pins - no dangerous pressed in pins
• Built in pinion angle degree
• Designed for removal of factory blocks
• Tough E-coated finish
• New U-bolt and hardware
• The perfect solution for towing / hauling
• Adds slight rake for improved weight distribution
• Roughly a 1.5 hour install time