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ReadyLIFT 66-3003 3" Rear Block Kit – Fits 1999–2024 Chevy Silverado & GMC Sierra 1500 (6-Lug) | Includes U-Bolts & Hardware

$119.99 $170.00
Shipping calculated at checkout.

Description and Details

The ReadyLIFT 66-3003 3" Rear Block Kit is a premium suspension upgrade designed to raise the rear of your 1999–2024 Chevy Silverado or GMC Sierra 1500 (6-lug). Whether you’re leveling your truck front-to-rear, adding load capacity, or replacing worn factory blocks, this 3-inch forged steel kit delivers strength, reliability, and OEM-quality performance.

Each kit includes cast iron rear lift blocks, extended zinc-plated U-bolts, and grade 8 hardware—everything needed for a safe, precise installation. The tapered design ensures proper pinion angle alignment, maintaining ride comfort and driveline integrity. Built for durability and designed to resist corrosion, the ReadyLIFT 66-3003 is perfect for trucks that haul, tow, or simply want a stronger, more aggressive stance.

Key Features:

  • Brand: ReadyLIFT Suspensions

  • Part Number: 66-3003

  • Fits: 1999–2024 Chevy Silverado 1500 / GMC Sierra 1500 (6-Lug)

  • 3-inch rear lift height

  • Ideal for leveling or restoring rake on lifted or loaded trucks

  • Cast iron tapered lift blocks maintain proper pinion angle

  • Includes extended U-bolts and Grade 8 hardware

  • Maintains factory ride quality and suspension geometry

  • Corrosion-resistant black powder-coat finish

  • Direct bolt-on installation — no cutting or welding required

Applications:
✔ 1999–2024 Chevrolet Silverado 1500 (6-Lug)
✔ 1999–2024 GMC Sierra 1500 (6-Lug)

Add strength, height, and balance to your truck’s suspension with the ReadyLIFT 66-3003 3" Rear Block Kit—built tough for load handling, towing, and performance.

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Product Disclosure – Scenic City Supply

Scenic City Supply is an independent liquidation company. We are a secondary seller of products and are not affiliated with, sponsored by, or authorized by any product manufacturer. All trademarks, brand names, model numbers, and logos mentioned are the property of their respective owners and are used strictly for identification and compatibility purposes.

Scenic City Supply’s inventory comes from multiple sources, including but not limited to surplus, liquidation, closeouts, overstock, and insurance-loss merchandise. All products are new, OEM, and unused unless otherwise stated. As a liquidator, some items may show cosmetic imperfections such as tarnish, discoloration, or minor surface wear. These conditions do not affect the function, performance, or integrity of the product.

Packaging may be damaged, show signs of storage, or be replaced for safe delivery. The sale of this product by Scenic City Supply is not subject to the policies of the manufacturer. Any warranty offered by the manufacturer is not available to you as the purchaser. Any applicable warranties or guarantees will be disclosed in writing at the time of sale.

Every item is opened and inspected prior to shipment to confirm quality and accuracy. If you are not fully satisfied with your purchase, you may return it within 30 days in its original packaging for a full refund.