2011-2025 GM HD 1" Rear Block Kit (26-30100) package-2020-2021-jeep-jt-gladiator-3-35-suspension-system-w-nx2-shocks-bds1439h so included is a plug

so included is a plug to seal off the opening if desired

2014 Chevy 1500 5in Rear Box Kit (UPC 658848611966)

Convert the factory stamped steel radius arms over to the BDS 4-link to optimize suspension geometry for better handling characteristics while adding strength and stability

0-T6 cast aluminum for strength and optimum heat dissipation

the front differential is repositioned using relocation brackets

2011-2025 GM HD 1" Rear Block Kit (26-30100) package-2020-2021-jeep-jt-gladiator-3-35-suspension-system-w-nx2-shocks-bds1439h so included is a plugDescription The ReadyLIFT OEM style 1 inch Rear Block Kit is available for 2011 2025 GM 2500 3500 HD single rear wheel pickups. These kits are designed to safely lift the rear of your 2WD and 4WD 8 lug Single Rear Wheel GM trucks with a trailer package spring by 1 inch. The 1 inch GM Blocks are made from cast iron, just like the factory blocks, which ensures maximum strength and reliability, as they are based on OEM designs and never made from