2019-2024 Chevrolet Silverado / GMC Sierra 1500 4,5,6,7,8 Inch Lift Blocks
2018-2024 Chevrolet Silverado / GMC Sierra 1500 Heavy-Duty 4", 5", 6", 7", & 8" Rear Lift Blocks – Compound Taper Anti-Wrap Steel Blocks
Give your 2018-2024 Chevy Silverado or GMC Sierra 1500 the perfect rear lift with unmatched strength, stability, and drivetrain protection. Apoc Industries builds these premium fabricated steel lift blocks in East Tennessee specifically for serious truck owners. Our 1/4" heavy-duty steel construction with exclusive compound tapers outperforms standard blocks by delivering precise fitment and solving common lift problems right from the start.
Why Apoc Anti-Wrap Lift Blocks Are the Smart Choice for Your Silverado or Sierra
- Exclusive Compound Taper Technology: The top taper perfectly matches your factory OEM leaf spring angle for secure seating and even load distribution. The bottom taper maintains optimal pinion angle—keeping wheels centered, preventing driveshaft issues, and eliminating vibrations even at taller heights.
- Anti-Wrap Reinforcement: Wider footprint with extra bracing dramatically reduces axle wrap, wheel hop, and spring twist under acceleration or towing.
- Tough American-Made Build: Pressure-bent 1/4" steel, precision robotic welds, and satin black powder coating provide zero-flex durability that stands up to daily driving, trails, and heavy loads.
- Vehicle-Specific Engineering: Designed for exact fit on 2018-2024 Silverado 1500 & Sierra 1500 leaf springs with precise center pin locations—no cutting or modifications needed.
Perfect for achieving an aggressive lifted stance, better ground clearance, improved towing stability, or enhanced off-road performance while keeping your truck safe and comfortable.
Available Sizes & Key Specifications
- Heights: True-to-size 4", 5", 6", 7", & 8" rear lift (sold in pairs)
- Width: 2.5" for secure leaf spring contact
- Taper: 3-degree pinion correction with advanced compound design
- Finish: Durable satin black powder coat
- Options: Anti-wrap U-bolts (strongly recommended for 5"+ and taller blocks) and main U-bolts (9/16" in lengths to match your new height) for maximum security and performance
Installation Notes: Approximately 2-2.5 hours with basic tools (breaker bar, sockets, torque wrench). Safely support the rear axle and replace U-bolts when increasing block height for proper torque and safety.
For 6-8" lifts or high-performance builds on your Silverado/Sierra, combine these blocks with ladder bars to completely eliminate wheel hop and lock in traction. Explore our Ladder Bars / Traction Bars compatible with GM 1500 trucks.
Learn the Full Story: Understand why compound taper anti-wrap blocks are superior in our in-depth guide: Why Apoc’s New Compound Taper Anti-Wrap Lift Blocks Are a Game-Changer.
Built Tough in East Tennessee. Backed by Real Support. Our crew is here Monday–Friday, 9–5 EST — call 865-983-5004 with any questions.
Built Right. Backed. Right
Our crew’s on call Monday–Friday, 9–5 EST. Hit us up at 865-983-5004 — real support, done right.
First with Compound Tapers. Built to Stay Centered
Built Better, Not Cheaper. Period
Compound Taper Technology
Apoc Anti-Wrap Lift Blocks are the first ever with exclusive compound tapers. The top taper matches your factory OEM leaf spring angle for perfect seating, while the bottom taper maintains proper pinion angle at your chosen lift height.
The Problem with Standard Blocks
Most lift blocks only correct pinion angle and ignore the leaf spring angle. The taller the block, the further back they push your axle — throwing wheels off-center in the fenders and over-extending your driveshaft, which can damage your transfer case.
Benefits of Apoc Anti-Wrap Lift Blocks
Our heavier-duty steel construction with precision robotic welds delivers zero flex and maximum strength. The anti-wrap geometry keeps your axle centered, protects your drivetrain, and provides a stable ride — perfect for serious off-roaders, daily drivers, and tow vehicles.
FAQ'S
Lift Blocks
Here are some of the most common questions we receive about lift blocks, installation, and related components. Our goal is to help you make the best decision for your build with clear, practical information.
A: Yes. Apoc lift blocks are true to size—the height listed is the actual block height, providing that exact amount of rear lift when installed. For example, a 3" block adds 3" of lift over your current leaf spring height.
A: Apoc lift blocks are vehicle-specific and engineered to match your truck’s factory leaf spring setup. The alignment hole and center pin locations are precisely positioned to match OEM specs, ensuring a secure, direct fit with no modifications required.
The main U-bolts are required to secure the axle and block assembly to your leaf springs. You do not have to purchase them from us if your existing U-bolts are long enough. However, if you are changing the size of your lift block, you will need longer U-bolts. Simply measure the difference in height between your current block and the new block — your new U-bolts will need to be that much longer than your current ones.
Anti-wrap U-bolts are optional. They are designed to secure the wider footprint of the block more firmly to the leaf spring, helping to reduce axle wrap, spring twist, and wheel hop. The taller the block, the more beneficial anti-wrap U-bolts become. For block heights over 6 inches, we recommend also installing ladder bars for added stability and to prevent driveline issues.
A: Standard blocks provide basic lift, while anti-wrap blocks feature a wider footprint and additional bracing to reduce axle wrap and wheel hop—especially important for lifted trucks with big tires or high torque output.
A: No, stacking lift blocks is not recommended and can be dangerous. It compromises stability, increases the risk of axle shift, and can cause premature wear or failure of suspension components. Always use a single, properly sized Apoc lift block for safe, reliable performance.