4.0" Tall Flat Block (2-pc Drive Shaft) - Ford Super Duty 2017-2026

ReadyLIFT OEM-style rear block kits are now available for 2017-2026 Ford Super Duty model-specific applications. These 4.0" fabricated steel Flat Rear Block Kits include two (2) rear blocks, billet drive line spacer, four (4) long e-coated u-bolts and eight (8) nuts and washers. Based on OEM designs and never made out of light weight extrusions, our 4" 2017-2026 Ford Super Duty Tapered Rear Blocks have Integrated OEM style bump stops. ReadyLIFT Block Kits will put a slight rake back in your truck for hauling or towing and are designed to work with your ReadyLIFT Suspension Leveling Kit. In fact, these blocks are the ideal Tow Package upgrade for not only for stock-height vehicles but lifted or leveled trucks too! Like all ReadyLIFT products these block kits come with our Limited Lifetime Warranty. NOTE: 66-2741 4" block is for use on 2017-2026 Ford F-250 Super Duty 4WD trucks with 2-piece drive shaft. Lift height will vary depending on what factory block your truck has. NOTE: Not for use on 2019-2026 F-350. NOTE: The lift blocks in this kit 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 and can cause failure of the block bump stop tang.

• 20172026 Ford Super Duty F-250 4WD compatible
• OEM style fabricated steel construction
• Flat block design
• Bump stop landing pads included
• Drive line spacer included
• New longer ubolts included
• Compatible with trucks with 2piece drive shaft
• Easy installation process
• Durable and longlasting
• Improves overall vehicle performance
• Provides additional lift and support
• Perfect for offroading and heavyduty use
• Designed for maximum stability and safety
• Enhances the appearance of your truck
• Fits seamlessly with existing suspension system
• Highquality materials for reliable performance
• Designed for 20172026 Ford Super Duty F-250 4
• 201720172026 Ford Super Duty F-250 4WD compatible
• New longer u New longer ubolts included
• Compatible with trucks with 2 Compatible with trucks with 2piece drive shaft
• Durable and long Durable and longlasting
• Perfect for off Perfect for offroading and heavyduty use
• High Highquality materials for reliable performance
• Designed for 2017 Designed for 20172026 Ford Super Duty F-250 4"

Specifications

• California Proposition 65: WARNING: This product can expose you to chemicals including Di(2-ethylhexyl)phthalate (DEHP), which is known to the State of California to cause cancer, and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov/product.
• Color: Black
• Fitment: Direct Fitment
• Install Difficulty: Difficult Requires Professional Installation
• Installation Time: 1 Hour
• Material: Fabricated Steel
• Nuts Included: Yes
• Prop65 Chem1: Di(2-ethylhexyl)phthalate (DEHP)

Vehicle application overview

Confirm trim, engine, and installation requirements before ordering.

• 2017–2026 Ford F-250 Super Duty
• 2017–2026 Ford F-350 Super Duty
• 2017–2026 Ford F-450 Super Duty
• 2018–2026 Ford F-250 Super Duty
• 2018–2026 Ford F-350 Super Duty
• 2018–2026 Ford F-450 Super Duty
• 2020–2026 Ford F-250 Super Duty
• 2021–2026 Ford F-350 Super Duty
• 2025–2026 Ford F-250 Super Duty