This ReadyLIFT 4 inch rear block kit adds 4 inches of rear lift to the 2021-2026 Ford F-150 2WD and 4WD. The blocks are cast iron, based on OEM designs and not lightweight extrusions, and ReadyLIFT positions the kit as a tow package upgrade for stock, lifted or leveled trucks. It is designed to work with a ReadyLIFT leveling kit.
Key features
- Cast iron construction
- Integrated OEM-style bump stop landings
- Cast-in center pins
- Not made from lightweight extrusions
What's included
- Two (2) 4 inch tall rear blocks
- Four (4) E-coated U-bolts
- Eight (8) nuts and washers
Fitment and compatibility
- Fits 2021-2026 Ford F-150, 2WD and 4WD
- ReadyLIFT recommends pairing it with a ReadyLIFT suspension leveling kit (no part number given)
Specifications
- Brand: ReadyLIFT
- Part number: 26-21400
- Rear lift: 4 inch
- Material: Cast iron
- Warranty: ReadyLIFT Limited Lifetime Warranty
- Estimated install time: 1.8 hours, plus or minus 0.5 hours
Installation
Allow about 1.8 hours, plus or minus 0.5, not counting alignment or wheel and tire assembly. ReadyLIFT recommends a certified mechanic. Alignment may be required, check your headlamp aim afterward, and ADAS systems may need recalibration.
Modifying your suspension can change handling (SAE J2492). ReadyLIFT's page also carries a California Proposition 65 warning that names DEHP.