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SKU: FTS22309 | UPC: 674866108417
Fabtech 2017-2026 Ford F-250/F-350 Super Duty 4WD Diesel 4in Rear Box Kit
Fabtech 4in Rear Box Kit upgrades the rear suspension on 2017-2026 Ford F-250/F-350 Super Duty 4WD diesel trucks with a 5in lift block, bump stop brackets, and Dirt Logic 2.25in shocks. This bolt-on kit centers the axle and balances the ride for daily driving and off-road demands. Paired with Fabtech front systems, it maintains near-zero caster change for stable control.
Key Features
- Dirt Logic 2.25in Shocks: Stainless steel body and NitroSteel rod resist corrosion while valved for firm on-road control and rugged off-road damping on Super Duty trucks
- 5in Lift Block: Provides exact 4in rear lift to level the truck after front coilover install, with integrated bump stop relocation for full suspension travel
- Bump Stop Brackets: Relocates factory bump stops to prevent damage during heavy articulation and load carrying
- Bolt-On Design: Direct fit for 2017-2026 F-250/F-350 4WD diesel with no cutting or welding required for fast install
- 5-Year Warranty: Backed by 60,000-mile coverage for long-term reliability in demanding conditions
Product Notes
- Requires Fabtech front Dirt Logic 4.0 coilover or radius arm system for complete 4in lift
- Shocks tuned specifically for diesel Super Duty weight and payload
- Packaged for protection during transit with all hardware included
Installation Notes
- Professional installation recommended.
- Bolt-on process takes 2-4 hours with basic tools and jack stands
- All necessary brackets and hardware provided for direct factory replacement
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2017-2026 | Ford | F-250 Super Duty | King Ranch, Lariat, Platinum, XL, XLT |
| 2018-2024 | Ford | F-250 Super Duty | Limited |
| 2017-2026 | Ford | F-350 Super Duty | King Ranch, Lariat, Platinum, XL, XLT |
| 2018-2024 | Ford | F-350 Super Duty | Limited |
Why Choose Fabtech?
- Engineered suspension systems built for Ford Super Duty since 1992
- Stainless steel components ensure durability in harsh environments
- Precision design maintains factory geometry for safe handling
Frequently Asked Questions
- Q: Will this kit fit gas engine Super Duty models?
- A: Designed exclusively for 4WD diesel F-250/F-350 Super Duty due to specific rear axle and weight tuning
- Q: What material are the shocks made from?
- A: Dirt Logic 2.25in shocks feature stainless steel bodies and NitroSteel piston rods for maximum corrosion resistance
- Q: What is the warranty on this kit?
- A: Complete system covered by Fabtech 5-year/60,000-mile warranty when installed per instructions
Shipping & Handling
- Method: UPS Ground
- Availability: In stock - ships same or next business day
- Packaging: Single box dimensions 31in x 17in x 7in
- Weight: 52 lbs
Fabtech
Fabtech suspension lift kits and off-road components are stocked at Black Ops Auto Works for truck and Jeep owners. Shop Fabtech Dirt Logic coilovers, Performance Series shocks, lift systems, control arms, sway bar disconnects, and steering components for Ford F-150, Ford Super Duty, Chevrolet Silverado, GMC Sierra, Toyota Tacoma, Toyota Tundra, Ford Bronco, and Jeep Wrangler and Gladiator platforms. Every product is filterable by year, make, model, trim, and drivetrain so the correct component ships the first time. Black Ops Auto Works carries 469 Fabtech SKUs across lift kits, shocks, coilovers, control arms, and steering parts. What This Brand Covers Fabtech has engineered lift systems, control arms, sway bar disconnects, steering components, and performance shocks for light trucks and SUVs since 1984, with in-field testing on real vehicles before releasing any kit. Fabtech kits are designed to integrate with factory TPMS sensors, electronic stability control, and factory ABS...
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Suspension parts and complete kits for cars, trucks, SUVs, Jeeps, and off-road builds are stocked at Black Ops Auto Works. Shop coilovers, lowering springs, lift kits, leveling kits, shocks and struts, sway bars, control arms, tie rods, ball joints, bushings, chassis bracing, alignment hardware, air suspension, and complete stage kits from Bilstein, KW, Ohlins, Fox, KING, ICON, BC Racing, Silvers, Eibach, H&R, Swift Springs, Whiteline, Energy Suspension, Moog, SPC Performance, Rough Country, ReadyLIFT, BDS, Skyjacker, Air Lift, Firestone, and Black Ops Auto Works. Start with a matched shock and spring package or a full coilover kit, then layer in sway bars, chassis bracing, and camber adjustment hardware. Every part is filterable by year, make, model, trim, and drivetrain to confirm fitment before ordering. What This Category Covers Suspension is the highest-leverage handling upgrade on any vehicle. A properly matched shock, spring, and sway bar package produces measurable i...
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