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Chevy/GMC 2" OEM Style Rear Block Kit for 1988-98 GM 1500 2000-2010 GM HD 2500/3500 8-lug Includes new longer u-bolts and hardware. Rear shock extensions may be required.

66-3052 ReadyLIFT 2" Rear Block Kit for GM Trucks

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66-3052 Readylift Suspension Rear Block Kit for GM Trucks

ReadyLIFT OEM-style rear block kits are available for the 1988-1998 2WD & 4WD 6-lug GM 1500 and 2000-2010 2500HD/3500HD single rear wheel pickups. These Rear Block Kits include two (2) Rear Blocks, four (4) E-Coated U-Bolts, eight (8) Nuts and Washers and will safely lift the rear of your 1988-1998 2WD & 4WD 6-lug and 2000-2010 GM HD trucks 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. 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.


Single Rear Wheel Only (will not fit Dually)


1988-1998 Chevrolet C1500

1988-1998 GMC C1500

1988-1998 Chevrolet K1500

1988-1998 GMC K1500

2001-2006 GMC Sierra 1500 HD

2007 GMC Sierra 1500 HD Classic

2001-2010 GMC Sierra 2500 HD

2007 GMC Sierra 2500 HD Classic

2001-2006 GMC Sierra 3500

2007 GMC Sierra 3500 Classic

2007-2010 GMC Sierra 3500 HD

2001-2006 Chevrolet Silverado 1500 HD

2007 Chevrolet Silverado 1500 HD Classic

2001-2010 Chevrolet Silverado 2500 HD

2007 Chevrolet Silverado 2500 HD Classic

2001-2006 Chevrolet Silverado 3500

2007 Chevrolet Silverado 3500 Classic

2007-2010 Chevrolet Silverado 3500 HD

Chevy/GMC 2" OEM Style Rear Block Kit for 1988-1998 GM 1500, 2000-2010 GM HD 2500/3500 8-lug Includes new longer U-bolts and hardware. Rear shock extensions may be required.

SAEJ2492 WARNING: By installing this product, you acknowledge that the suspension of this vehicle has been modified. As a result, this vehicle may handle differently than factory-equipped vehicles. As with any vehicle, extreme care must be used to prevent loss of control or rollover during sharp turns or abrupt maneuvers. Always wear seat belts, and drive safely, recognizing that reduced speeds and specialized driving techniques may be required. Failure to drive this vehicle safely may result in serious injury or death. Do not drive this vehicle unless you are familiar with its unique handling characteristics and are confident of your ability to maintain control under all driving conditions. Some modifications (and combinations of modifications) are not recommended and may not be permitted in your state. Consult your owner's manual, the instructions accompanying this product, and state laws before undertaking these modifications. You are responsible for the legality and safety of the vehicle you modify using these components.


INSTALLATION ALIGNMENT NOTE:  Your vehicle may require alignment after product installation.  You may incur additional costs to align the vehicle.


INSTALLATION HEADLAMP AIM NOTE:  In addition to your vehicle alignment, for your safety and others, it is necessary to check and adjust your vehicle headlamps for proper aim and alignment after product installation.  You may incur additional costs to adjust the headlamp system.


INSTALLATION ADVANCED DRIVER ASSISTANCE SYSTEMS (ADAS) NOTE:  If your vehicle is equipped with active or passive safety/collision monitoring and/or assistance/avoidance systems including, but not limited to, camera- or radar/sonar-based systems, check and adjust your vehicle’s systems for proper aim and function after product installation.   In some instances, your vehicle may require OEM dealer service tools and factory-trained technicians to re-calibrate ADAS.  You may incur additional costs to adjust ADAS systems.

DO IT YOURSELF: Please read Instructions thoroughly and completely before beginning installation. Installation by a certified mechanic is recommended. ReadyLIFT Suspension Inc. is NOT responsible for any damage or failure resulting from improper installation.