Pro Comp 1" Rear Block Kit — Silverado/Sierra 2500HD & 3500HD (2011–2026)
Restore a slight rake for towing and hauling—without permanent mods.
What it does
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Adds +1" rear lift to help level loads and maintain a confident stance
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Ideal for towing and carrying bed weight
Fitment
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2011–2026 Chevy Silverado 2500/3500 HD (2WD/4WD)
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2011–2026 GMC Sierra 2500/3500 HD (2WD/4WD)
What’s included
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Rear lift blocks
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Vehicle-specific U-bolts and all required hardware
Why it’s great
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Simple bolt-on install
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No cutting or permanent modifications
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Keeps factory ride quality while improving load handling
