This ReadyLIFT 6 inch Falcon 3.3 big lift kit is for the 2021-2024 Ford F-150 4WD. It pairs a 6 inch lift with Falcon 3.3 Fast Adjust dampers that you can tune from soft to firm, plus geometry corrections for steering and driveline. The kit includes front and rear Falcon shocks, upper control arms, knuckles, a differential drop, crossmembers and hardware.
Key features
- Falcon 3.3 Fast Adjust dampers with a 3-position knob (Soft, Custom, Firm) and an 8-position micro adjust dial
- Hard anodized, large bore 6061-T6 aluminum shock bodies with a reservoir design
- VOD (Volume Optimized Damping) digressive linear piston for reduced body roll and bottoming
- Red Line high VI shock oil rated for -50F to 450F
- DOM tube steel upper control arms with a heavy-duty high-angle ball joint
- Fabricated steel components made from 3/16 inch and 1/4 inch plate, plus a full-coverage 3/16 inch steel differential skid plate
- HD alignment cam bolts for front-end alignment
What's included
- Falcon 3.3 front coilovers (left and right) and Falcon 6 inch rear shocks
- Upper control arm kit and HD alignment cam bolt kit
- Cast front knuckles (driver and passenger) with knuckle boxes
- Front and rear crossmembers, crossmember box and differential skid plate
- Differential drops (driver and passenger) with support brackets, and a diff breather vent
- Sway bar drop down brackets (left and right) and a machined front driveline spacer
- Rear driver and passenger blocks, U-bolt kit and a 16mm carrier bearing spacer
- Rear brake line drop bracket, front brake line support bracket and rear e-brake drop bracket
- Hardware
- Brake lines are not included
Fitment and compatibility
- Fits 2021-2024 Ford F-150 4WD
- Does not fit trucks with Continuous Control Damping (CCD), 2WD trucks, the Raptor, or diesel-engine F-150s
- The driver rear control arm pocket needs to be trimmed to clear the rear crossmember
- ReadyLIFT's recommended setup is 295/65R20 tires on a 20x9 wheel with 0 offset for no rub; larger tires can need trimming
- Test fit any tire and wheel combination before installing. Recommendations are based on Wheel Pros wheels and Nitto tires
Specifications
- Brand: ReadyLIFT
- Part number: 42-21640
- Lift: 6 inch
- Shocks included: Yes, front and rear (Falcon 3.3)
- Hardware included: Yes
- Brake lines included: No
- Material: 6061-T6 aluminum shock bodies, DOM tube steel upper control arms, fabricated steel components
- Estimated install time: 10 hours, plus or minus 1 hour
Installation
Allow about 10 hours, plus or minus 1, not counting alignment or wheel and tire assembly. ReadyLIFT recommends a certified mechanic. Alignment, headlamp aim and ADAS recalibration may be needed at extra cost.
Modifying your suspension can change handling and rollover risk (SAE J2492). ReadyLIFT's page also carries a California Proposition 65 warning that names DEHP.