2017-2025 Superduty 4" Tapered Rear Block Kit with 1 Piece Drive Shaft (66-2740)

The ReadyLIFT 4.0-inch Tapered Rear Block Kit is an OEM-style rear suspension component engineered for Ford Super Duty applications that utilize a one-piece driveshaft. Constructed from fabricated steel, the blocks feature a tapered design to correct the pinion angle, which is essential for maintaining proper driveline alignment when the rear of the truck is lifted. The kit is designed to re-establish a slight rake in the truck for enhanced hauling and towing stability, making it an ideal upgrade for stock, leveled, or lifted vehicles.

Features

• OEM style fabricated steel construction.
• Tapered block design for correcting driveline angle.
• Includes integrated OEM style bump stop landing pads.

Notes

• Lift height achieved will vary depending on what factory block your truck currently has installed.
• The lift blocks are not designed to work with aftermarket or factory add-on air spring/load leveling kits that attach to the bump stop tangs. Use of this type of air bag system will void all block warranties.

Specs

• Block Height: 4.0 inches
• Construction: Fabricated Steel
• Kit Contents: (2) Tapered rear lift blocks, (4) Long e-coated U-bolts, and (8) nuts and washers.