2011-2024 Chevy Silverado / GMC Sierra 2500 / 3500 4, 6, 8 Inch Lift Blocks
🇺🇸 2011–2024 Chevy Silverado & GMC Sierra 2500HD/3500HD 4", 6", & 8" Rear Lift Blocks
Level up your HD truck’s stance with our heavy-duty lift block kits, designed specifically for the 2011–2024 Silverado and Sierra 2500/3500 models. Whether you’re correcting rear squat or building a custom reverse-level setup, these precision-engineered blocks provide consistent height and durability in any application.
Key Features
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🟩 Precision Fitment — Designed for 2011–2024 GM 2500HD & 3500HD trucks with rear leaf springs
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🟩 Available Heights — Choose from 4", 6", or 8" lift block options
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🟩 Heavy-Duty Steel Construction — Built tough with black powder coat for corrosion resistance
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🟩 Integrated Pin Design — Ensures accurate alignment on axle and spring perch
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🟩 Tapered Blocks — Maintains proper pinion angle and driveline geometry
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🟩 Extended U-Bolts Included — Sized to match axle diameter and block height
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🟩 No Welds — Fully solid, CNC-machined block for uncompromised strength
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🟩 🇺🇸 American Made — Proudly built in the USA from premium materials
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⬛ Compatible with Stock or Aftermarket Leaf Packs
Fitment
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🟩 Chevy: 2011–2024 Silverado 2500HD / 3500HD (SRW only)
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🟩 GMC: 2011–2024 Sierra 2500HD / 3500HD (SRW only)
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⬛ Axle Tube Size: 3.5" diameter
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⬛ Suspension Type: Leaf spring only — not compatible with air ride or dually trucks
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⬛ Lift Pairing Guide:
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4” block — Ideal for reverse-level setups or leveled front ends
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6” or 8” blocks — Use with taller front lifts to maintain level ride height
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Installation
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🟩 Install Time: 1–2 hours with standard hand tools
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⬛ Tools Needed: Jack, jack stands, torque wrench, socket set
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⬛ Bolt-On Design: No modifications or cutting required
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⬛ Reuses Factory Spring Pack
Installation Notes:
⬛ Always re-torque U-bolts after 100 miles
⬛ Do not stack with factory lift blocks
⬛ Verify rear shock travel compatibility after lift Hardware kit NOT INCLUDED
Includes
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🟩 (2) CNC-Machined Steel Lift Blocks (4", 6", or 8" height)
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⬛ Detailed Installation Instructions
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.
Built for Strength. Designed to Fit.
Vehicle-Specific Fit
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.
Vibration-Reducing Taper
Tapered lift blocks correct pinion angle, which helps maintain proper driveline geometry on lifted trucks. This reduces or eliminates driveline vibrations and minimizes wear on u-joints and differential components—especially important when adding rear lift height.
Benifts of anti-wrap lift blocks
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.
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.