1 Inch Rear Leaf Spring Lift Blocks - provides you with Confidence, Drive with Strength. When it's time to raise the rear of your truck, you want a solution that's simple, strong, and built to last.

SuspensionMAXX Lift Blocks deliver the extra clearance you need while maintaining alignment and ride quality - the perfect complement to any suspension upgrade.

Why truck owners trust SuspensionMAXX Rear Lift Blocks:

• Ideal for Leveling or Towing Loads: Raise the rear to match a front lift or compensate for added weight.
• Heavy-Duty Construction: CNC-machined from high-strength steel or aluminum for maximum durability.
• Multiple Height Options: Choose the perfect amount of lift to match your build and tire setup.
• Direct Bolt-On Install: Installs easily between axle and leaf springs using existing hardware or included U-bolts.
• Retains Factory Comfort and Geometry: Keeps driveline angles and leaf spring function optimized for everyday driving or off-road action.

Whether you're leveling your stance, prepping for big tires, or hauling more with stability, SuspensionMAXX Lift Blocks make sure you're raised the right way.

Heavy Duty Rear Block and U-Bolt Kit 1.0 Inch For 1999-2007 Classic Silverado/Sierra 1500 4X4 6-Bolt Wheel With Torsion Bar Front Suspension With 0.5625 inch Diameter U-Bolts.

Ideal For Leveling Or Lifting Vehicles, Adding Larger Wheels and Tires, Or Hauling Heavy Loads. Available In A Variety Of Lift Heights To Provide The Just Right Amount Of Rear Lift For Your Needs. SuspensionMaxx Provides Application Coverage For The Most Vehicles and The Largest Number Of Height and Configuration Options Per Vehicle.

Strong and Durable-Steel Blocks, High Strength U-Bolts and Fasteners. Require No Extensive Modifications To The Vehicle-Totally Reversible. Excellent SuspensionMaxx Customer Service and Technical Support.

The SuspensionMaxx SMX-153010 Heavy Duty Block and U-Bolt Rear Leaf Spring Leveling Kit Increases Rear Suspension Height By 1 Inch. Ideal For Increasing Ground Clearance Or Fitting Larger Wheels and Tires.

Fits 1999-2006 Chevrolet/GMC Silverado/Sierra 1500 4X4, As Well As 2007 Classic Model Vehicles With 0.5625 inch Diameter U-Bolts. Block and U-Bolt Kits Can Also Be Used To Level Vehicles That Carry Heavy Loads.

SuspensionMaxx Heavy Duty Block and U-Bolt Kits Are Made With Quality Alloy Metals For High Strength and Long Life-They Wont Crack Or Compress.

SuspensionMaxx Provides All Hardware Needed and Components Are Quickly Installed Using Job Specific Tools. Installation Involves No Major Alterations To The Vehicle and The Truck Or SUV Can Easily Be Put Back To Stock Specifications.

Made In America and Covered Under Our Structural Lifetime Warranty.

SuspensionMaxx Heavy Duty Block and U-Bolt Rear Leaf Spring Leveling Kits Are The Perfect Solution For Lifting Or Leveling The Rear Of Trucks Or SUV's Carrying Heavy Loads Including Campers. Such Loads Can Cause Rear Suspension To Compress and Sag-Thereby Reducing Rear Ride Height.

Our Block and U-Bolt Kits Simply Fit Between Rear Leaf Springs and Axle To Compensate For Suspension Compression and Restore Rear Ride Height.

SuspensionMaxx Heavy Duty Block and U-Bolt Rear Leaf Spring Leveling Kits Utilize Premium Quality High Strength Components Including CNC Drilled and Located Solid Steel Blocks, Heavy-Duty Grade 8 U-Bolts, Tall Nuts and Extra Thick Washers.

Installation Can Be Done In About 1.5 Hours and Is Supported By SuspensionMaxx Technical Support Program.

Details:

• Fits 2007-2007 Chevrolet Silverado 1500 Classic, 2007-2007 GMC Sierra 1500 Classic, 1999-2006 GMC Sierra 1500, 2004-2006 Chevrolet Silverado 1500
• Position Rear
• Lift 1.0 inch
• Bolt Diameter 0.5625 inch
• Drive Type 4X4
• Material Steel
• Sold As Kit