BDS578FS | BDS Suspension 4 Inch Lift Kit For Ford F-250/F-350 Super Duty 4WD (2011-2016) | Gas | Rear Block Kit, Fox 2.0 Performance Series Shocks

Pro-Ride Coil Springs

A pair of full-length, gas-specific, Pro-Ride coil springs are supplied to provide the correct lift height and smooth, predictable ride across various terrains.

Steering Correction

To optimize steering geometry once lifted, a forged drop pitman arm is used to minimize the steering angle and pair it with a heavy duty track bar drop bracket to keep them in phase through suspension travel while recentering the front axle.

Rear Lift Option

Block Kit

• Blocks are made from cast iron for strength.
• Tapered for correct pinion angle.
• Steel pin and hole are offset to restore axle position.

Leaf Springs

• Eliminates any need for a lift block.
• Reduces axle wrap and creates a more controlled and stable feel.
• Multi-leaf progressive design for a smooth ride.
• Maintains factory payload weight ratings.

Shock Option

NX2 Nitro Series

• Nitrogen-charged
• Twin-tube design
• 10-stage velocity-sensitive valving
• Dual-welded ends for increased strength
• 1-3/8-inch high-flow piston
• Self-lubricating seals
• Silver powder coat finish

FOX 2.0 Performance Series

• 2-inch Impact extruded aluminum body
• Internal floating piston (IFP) monotube design
• CNC machined 6061-T6 aluminum mounting ends
• Massive 5/8-inch hard chrome plated heat-treated alloy steel shaft
• Race-developed high-flow piston design
• Application-specific valving to maximize performance
• Long-lasting clear anodized finish

Important Notes

1. Removal of factory block required. Rear add a leaf is required for models equipped with factory 3-7/8" block for level to tail high stance. Single add-a-leaf kit # 113218 recommended for more level stance - Dual add-a-leaf kit # 113209 recommended for tail high stance. (Add-a-leafs do not apply to rear leaf spring equipped systems)
2. Front exhaust modification may be required to clear front drive shaft (gas only).
3. If equipped with 2-piece driveshaft, a driveshaft alignment kit may be required.
4. Although extremely rare, front and/or rear driveline vibration may occur.
5. If equipped with rear sway bar, #123009 required.
6. U-bolts will not work on dually.

Installation

Difficulty Level :

Moderate

Specialty Tools Needed :

Cut-off Tool, Pitman Arm Puller

Specification