ReadyLIFT OEM-style rear block kits are available for 2017-2026 Ford Super Duty model-specific applications. These 4.0" fabricated steel Tapered Rear Block Kits include two (2) rear blocks, four (4) long e-coated u-bolts and eight (8) nuts and washers. Based on OEM designs and never made out of lightweight 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: 66-2740 4" block is for use on 2017-2026 Ford F-250 Super Duty 4WD trucks with 1-piece drive shaft. Lift height will vary depending on what factory block your truck has. NOTE: Not for use on 2019-UP 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 the failure of the block bump stop tang.
Upgrade your 2017-2026 Ford Super Duty truck with the ReadyLift OEM-Style Rear Block Kit, designed specifically for models like the F-250 and F-350. Crafted from durable fabricated steel, this 4-inch tapered rear block kit features OEM-style bump stops integrated into each block, ensuring a seamless fit and reliable performance. The kit includes two rear blocks, four long e-coated u-bolts, and eight nuts and washers for a complete installation. Perfect for hauling, towing, or restoring a slight rake to your truck, these blocks are compatible with your existing ReadyLIFT suspension leveling kit and are an ideal upgrade for both stock and lifted vehicles. The design emphasizes OEM authenticity and robustness, avoiding lightweight extrusions to maintain strength and longevity.
Installation requires professional expertise and roughly one hour to complete. Please note that these lift blocks are not compatible with aftermarket or factory-installed air spring or load-leveling systems that attach to bump stop tangs, as their use can void warranty and cause failure. These kits are backed by ReadyLIFT's Limited Lifetime Warranty, providing confidence in quality and durability. The black finish enhances the truck’s appearance while resisting corrosion. Designed for 1-piece drive shaft models, these blocks are an excellent way to improve your vehicle’s load capacity and stance without extensive modifications.
Be aware of California Proposition 65 warnings regarding chemicals such as DEHP, which are present in the product. For best results, professional installation is recommended to ensure safety and optimal performance.
Features:
- OEM-style bump stops integrated into each rear block for a seamless fit
- Constructed from fabricated steel for strength and durability
- Includes two 4-inch tapered rear blocks, four long e-coated u-bolts, and necessary nuts and washers
- Designed to restore a slight rake for hauling and towing purposes
- Compatible with existing ReadyLIFT suspension leveling kits
- Black finish provides corrosion resistance and aesthetic appeal
- Suitable for 2017-2026 Ford Super Duty F-250 and F-350 models with 1-piece drive shaft
- Installation requires professional expertise and approximately 1 hour
- Backed by ReadyLIFT's Limited Lifetime Warranty
Fitment:
Ford F-250 Super Duty 2017
Ford F-250 Super Duty 2018
Ford F-250 Super Duty 2019
Ford F-250 Super Duty 2020
Ford F-250 Super Duty 2021
Ford F-250 Super Duty 2022
Ford F-250 Super Duty 2023
Ford F-250 Super Duty 2024
Ford F-250 Super Duty 2025
Ford F-350 Super Duty 2017
Ford F-350 Super Duty 2018
Ford F-350 Super Duty 2019
Ford F-350 Super Duty 2020
Ford F-350 Super Duty 2021
Ford F-350 Super Duty 2022
Ford F-350 Super Duty 2023
Ford F-350 Super Duty 2024
Ford F-350 Super Duty 2025