1999-2006 Chevrolet Silverado / GMC Sierra 1500 4, 6, 8 Inch Lift Blocks
1999-2006 Chevrolet Silverado / GMC Sierra 1500 4, 6, 8 Inch Lift Blocks - 4 Inch / No / No is backordered and will ship as soon as it is back in stock.
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Confirm vehicle fitment
Confirm fitment before ordering. Match the year, make, model, trim, engine, drivetrain and selected options shown on this page. If any detail is unclear, search your exact vehicle or contact us before checkout.
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Shipping expectations
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What’s included
What’s included
The product description and selected variant determine what is included. Items shown in lifestyle or installation photos are not included unless they are specifically listed in the description.
1999-2006 Chevrolet Silverado / GMC Sierra 1500 4, 6, 8 Inch Lift Blocks - 4 Inch / No / No is backordered and will ship as soon as it is back in stock.
Buy with confidence
Verify fitment, selected options, availability and included components before checkout. Secure payment options and order confirmation are provided at checkout.
Description
Description
1999–2006 Silverado / Sierra 1500 Rear Lift Blocks – 4", 6", 8"
Elevate your truck’s stance with our precision-engineered rear lift blocks for the 1999–2006 Chevy Silverado 1500 and GMC Sierra 1500. Designed to work with leaf spring suspension setups, these blocks offer a straightforward solution for achieving a 4", 6", or 8" rear lift—ideal for reverse leveling or matching front lift systems.
Key Features
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✅ Available Heights: Choose from 4", 6", or 8" lift blocks
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✅ Application-Specific Fitment: Blocks designed for 1999–2006 GM 1500 trucks (2WD/4WD)
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✅ American Made: Blocks are proudly manufactured in the USA
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✅ True-to-Size Lift Heights: Blocks provide actual lift height as advertised
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✅ Heavy-Duty Steel Construction: Blocks built for strength in off-road and daily use
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✅ Tapered Design (Where Applicable): Blocks help correct pinion angle to reduce driveline vibration
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✅ Black Powder Coat Finish: Blocks feature a corrosion-resistant and visually clean coating
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✅ Precision Machined Surfaces: Ensures blocks seat properly for optimal load distribution
Installation
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Bolt-on installation: No welding or cutting required
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Optional Hardware Kits: Matching U-bolts available separately or as complete kits
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Estimated Install Time: 1–2 hours with standard tools
⚠️ Note: These blocks are not intended for vehicles with factory lift blocks. Verify block stack height and u-bolt length before installation.
Fitment
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1999–2006 Chevrolet Silverado 1500 (All cabs and beds)
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1999–2006 GMC Sierra 1500 (All cabs and beds)
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Fits both 2WD and 4WD models with rear leaf springs
Tech Specs
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Material: Solid steel
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Finish: Black powder coat
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Tapered: Yes (varies by height)
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Block Width: 2.5"
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Center Pin Size: 9/16"
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Origin: Made in the USA
Why Upgrade?
Whether correcting rear squat, reverse leveling, or dialing in stance with a front lift kit, these blocks provide a reliable, budget-friendly lift solution that maintains factory ride quality and strength—built right here in the USA.
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