Important Notes

• For Use Only on Single Rear Wheel 2500HD trucks that have the factory Trailer Package rear springs. This kit is not compatible with HD trucks equipped with top-mounted overload springs. For Use On 3500HD dual rear wheel trucks Fits 2011-2024 GM HD trucks. Includes new longer U-bolts and hardware OEM style cast iron construction.
• This kit is not compatible with trucks equipped with top-mounted overload springs. Based on OEM designs and never made out of light weight extrusions our 2" GM Blocks are made from cast iron just like the factory blocks, ensuring maximum strength and reliability. ReadyLIFT Block Kits will put a slight rake back in your Truck for hauling or towing and are designed to work with your ReadyLIFT Suspension Leveling Kit. Like all ReadyLIFT products these block kits come with our Lifetime Warranty.
• For Use Only on 2500HD trucks that have the factory Trailer Package rear springs. This kit is not compatible with trucks equipped with top-mounted overload springs.
• California Residents: Prop 65 WARNING