Description
ReadyLift’s 4″ MAX3.3 Big Lift Kit for the 2023-2026 Ford Super Duty F-250/F-350 diesel 4WD is the premium suspension system for the 7th-gen platform, featuring Falcon MAX3.3 Fast-Adjust piggyback shocks with on-the-fly 3-position compression adjustment and heavy-duty tubular radius arms to maintain proper caster geometry at the 4″ lift height. The MAX3.3 shocks feature an 8-position micro-adjust dial, VOD piston technology, and hard-anodized 6061-T6 aluminum bodies. Diesel trucks only. Tremor models will not gain the full 4″ over stock height. Single cab not validated.
Fits: 2023-2026 Ford Super Duty F-250/F-350 4WD with Power Stroke diesel, single rear wheel. NOT for 2WD or gas trucks. Single cab not validated. Tremor versions gain less than full 4″. Trucks with Onboard Scale option require Auto-Leveling Headlight Bypass Bracket Kit (PN 67-23610, sold separately).
Lift: 4″ front / matched rear
Max tire size: 37″ on 9″ wide wheel with +18 offset
Includes: Performance coil springs, (4) Falcon 3.3 Fast-Adjust piggyback shocks (3-position Soft/Custom/Firm + 8-position micro adjust), heavy-duty tubular radius arms (caster correction), Falcon Dual Steering Stabilizer, track bar relocation bracket, and all installation hardware.
Part Number: 43-23440 | Lifetime Limited Warranty
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