ReadyLIFT Rear Block Kit | Chevrolet Silverado 3500 HD (07-26) / GMC Sierra 3500 HD (11-26) / Chevrolet Silverado 2500 HD (20-26) / GMC Sierra 2500 HD (20-26) (66-3122)

ReadyLIFT Rear Block Kit

Part #: 66-3122

Overview

ReadyLIFT OEM style rear block kits are available for the 2011-2026 GM 2600 HD single rear wheel pickups with the factory Trailer Package rear springs. These Rear Block Kits include two (2) 2" Rear Blocks, four (4) E-Coated U-Bolts, eight (8) Nuts and Washers and will safely lift the rear of your 2011-2026 2WD and 4WD 8-lug Single Rear Wheel GM trucks with trailer package springs 2".

Key Features

• Fits Chevrolet Silverado 3500 HD (07-26) / GMC Sierra 3500 HD (11-26) / Chevrolet Silverado 2500 HD (20-26) / GMC Sierra 2500 HD (20-26)
• GM 2600HD/3500HD OEM Style 2" Rear Lift Block Kit
• For use only on single rear wheel 2600HD trucks with factory Trailer Package rear springs
• Not compatible with HD trucks equipped with topmounted overload springs
• Fits 2011-2026 GM HD trucks
• Includes new longer Ubolts and hardware
• OEM style cast iron construction
• Fits 2011 Fits 2026 GM HD trucks

Construction & Design

These Rear Block Kits include two (2) 2" Rear Blocks, four (4) E-Coated U-Bolts, eight (8) Nuts and Washers and will safely lift the rear of your 2011-2026 2WD and 4WD 8-lug Single Rear Wheel GM trucks with trailer package springs 2". 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.

Installation & Fitment

Fits: Chevrolet Silverado 3500 HD (07-26) / GMC Sierra 3500 HD (11-26) / Chevrolet Silverado 2500 HD (20-26) / GMC Sierra 2500 HD (20-26)
Estimated Installation Time: 2 Hours
Installation: Difficult Requires Professional Installation

What's Included

• 2 2" Rear Blocks
• 4 E-Coated U-Bolts
• 8 Nuts
• Washers
• new longer Ubolts and hardware
• new longer U Includes new longer Ubolts and hardware

Ideal For: Chevrolet Silverado 3500 HD (07-26) / GMC Sierra 3500 HD (11-26) / Chevrolet Silverado 2500 HD (20-26) / GMC Sierra 2500 HD (20-26) owners adjusting rear ride height for stance, towing, or suspension setup requirements.